/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/reducercommutativity/avg60-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:06:59,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:06:59,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:06:59,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:06:59,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:06:59,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:06:59,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:06:59,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:06:59,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:06:59,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:06:59,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:06:59,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:06:59,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:06:59,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:06:59,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:06:59,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:06:59,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:06:59,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:06:59,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:06:59,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:06:59,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:06:59,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:06:59,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:06:59,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:06:59,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 07:06:59,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:06:59,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:06:59,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:06:59,890 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 07:06:59,923 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:06:59,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:06:59,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:06:59,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:06:59,925 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:06:59,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:06:59,926 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:06:59,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:06:59,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:06:59,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:06:59,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:06:59,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:06:59,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:06:59,927 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:06:59,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:06:59,927 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:06:59,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:06:59,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:06:59,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:06:59,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:06:59,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:06:59,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:06:59,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:06:59,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:06:59,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:06:59,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:06:59,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:06:59,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:06:59,930 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 07:07:00,215 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:07:00,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:07:00,231 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:07:00,233 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:07:00,233 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:07:00,234 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/avg60-1.i [2019-11-07 07:07:00,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52a86b345/2b469bae60a64ed49b10de754e3bcfb3/FLAG4faba58dd [2019-11-07 07:07:00,716 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:07:00,717 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/avg60-1.i [2019-11-07 07:07:00,723 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52a86b345/2b469bae60a64ed49b10de754e3bcfb3/FLAG4faba58dd [2019-11-07 07:07:01,100 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52a86b345/2b469bae60a64ed49b10de754e3bcfb3 [2019-11-07 07:07:01,110 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:07:01,112 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:07:01,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:07:01,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:07:01,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:07:01,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:07:01" (1/1) ... [2019-11-07 07:07:01,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c92f80f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:01, skipping insertion in model container [2019-11-07 07:07:01,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:07:01" (1/1) ... [2019-11-07 07:07:01,129 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:07:01,147 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:07:01,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:07:01,339 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:07:01,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:07:01,389 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:07:01,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:01 WrapperNode [2019-11-07 07:07:01,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:07:01,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:07:01,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:07:01,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:07:01,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:01" (1/1) ... [2019-11-07 07:07:01,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:01" (1/1) ... [2019-11-07 07:07:01,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:01" (1/1) ... [2019-11-07 07:07:01,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:01" (1/1) ... [2019-11-07 07:07:01,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:01" (1/1) ... [2019-11-07 07:07:01,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:01" (1/1) ... [2019-11-07 07:07:01,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:01" (1/1) ... [2019-11-07 07:07:01,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:07:01,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:07:01,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:07:01,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:07:01,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:01" (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 07:07:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:07:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:07:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure avg [2019-11-07 07:07:01,566 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:07:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:07:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 07:07:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure avg [2019-11-07 07:07:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 07:07:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:07:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 07:07:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 07:07:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 07:07:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:07:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:07:01,883 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:07:01,883 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-11-07 07:07:01,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:07:01 BoogieIcfgContainer [2019-11-07 07:07:01,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:07:01,886 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 07:07:01,886 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 07:07:01,886 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 07:07:01,887 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:07:01" (1/1) ... [2019-11-07 07:07:01,915 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 07:07:01,986 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 07:07:01,992 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 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 31 variables. [2019-11-07 07:07:01,992 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 07:07:01,995 INFO L168 Benchmark]: Toolchain (without parser) took 882.11 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 101.7 MB in the beginning and 158.2 MB in the end (delta: -56.5 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. [2019-11-07 07:07:01,997 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 07:07:01,998 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.27 ms. Allocated memory is still 138.4 MB. Free memory was 101.4 MB in the beginning and 91.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-11-07 07:07:01,999 INFO L168 Benchmark]: Boogie Preprocessor took 117.43 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 91.2 MB in the beginning and 179.5 MB in the end (delta: -88.3 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-11-07 07:07:02,000 INFO L168 Benchmark]: RCFGBuilder took 376.84 ms. Allocated memory is still 201.9 MB. Free memory was 179.5 MB in the beginning and 163.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-11-07 07:07:02,001 INFO L168 Benchmark]: Abstract Interpretation took 106.49 ms. Allocated memory is still 201.9 MB. Free memory was 163.4 MB in the beginning and 158.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-11-07 07:07:02,006 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 277.27 ms. Allocated memory is still 138.4 MB. Free memory was 101.4 MB in the beginning and 91.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.43 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 91.2 MB in the beginning and 179.5 MB in the end (delta: -88.3 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 376.84 ms. Allocated memory is still 201.9 MB. Free memory was 179.5 MB in the beginning and 163.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 106.49 ms. Allocated memory is still 201.9 MB. Free memory was 163.4 MB in the beginning and 158.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 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: 39]: 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...