/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/array-tiling/rew.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:54:54,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:54:54,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:54:54,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:54:54,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:54:54,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:54:54,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:54:54,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:54:54,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:54:54,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:54:54,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:54:54,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:54:54,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:54:54,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:54:54,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:54:54,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:54:54,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:54:54,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:54:54,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:54:54,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:54:54,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:54:54,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:54:54,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:54:54,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:54:54,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 04:54:54,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:54:54,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:54:54,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:54:54,930 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 04:54:54,949 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:54:54,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:54:54,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:54:54,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:54:54,952 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:54:54,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:54:54,952 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:54:54,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:54:54,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:54:54,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:54:54,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:54:54,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:54:54,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:54:54,955 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:54:54,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:54:54,955 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:54:54,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:54:54,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:54:54,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:54:54,956 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:54:54,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:54:54,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:54:54,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:54:54,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:54:54,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:54:54,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:54:54,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:54:54,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:54:54,958 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 04:54:55,224 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:54:55,242 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:54:55,246 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:54:55,247 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:54:55,248 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:54:55,249 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/rew.c [2019-11-07 04:54:55,323 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e35a9bcd0/e50b3423a0e34e4e9e3f4c6400e72e7f/FLAG99a6e3834 [2019-11-07 04:54:55,782 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:54:55,784 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-tiling/rew.c [2019-11-07 04:54:55,791 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e35a9bcd0/e50b3423a0e34e4e9e3f4c6400e72e7f/FLAG99a6e3834 [2019-11-07 04:54:56,167 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e35a9bcd0/e50b3423a0e34e4e9e3f4c6400e72e7f [2019-11-07 04:54:56,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:54:56,180 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:54:56,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:54:56,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:54:56,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:54:56,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:54:56" (1/1) ... [2019-11-07 04:54:56,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@439ec646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:54:56, skipping insertion in model container [2019-11-07 04:54:56,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:54:56" (1/1) ... [2019-11-07 04:54:56,196 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:54:56,210 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:54:56,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:54:56,389 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:54:56,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:54:56,416 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:54:56,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:54:56 WrapperNode [2019-11-07 04:54:56,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:54:56,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:54:56,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:54:56,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:54:56,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:54:56" (1/1) ... [2019-11-07 04:54:56,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:54:56" (1/1) ... [2019-11-07 04:54:56,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:54:56" (1/1) ... [2019-11-07 04:54:56,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:54:56" (1/1) ... [2019-11-07 04:54:56,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:54:56" (1/1) ... [2019-11-07 04:54:56,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:54:56" (1/1) ... [2019-11-07 04:54:56,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:54:56" (1/1) ... [2019-11-07 04:54:56,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:54:56,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:54:56,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:54:56,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:54:56,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:54:56" (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 04:54:56,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:54:56,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:54:56,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 04:54:56,588 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:54:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:54:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 04:54:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 04:54:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:54:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:54:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:54:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:54:56,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:54:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:54:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:54:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:54:56,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:54:56,888 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:54:56,888 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-11-07 04:54:56,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:54:56 BoogieIcfgContainer [2019-11-07 04:54:56,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:54:56,890 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 04:54:56,890 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 04:54:56,891 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 04:54:56,891 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:54:56" (1/1) ... [2019-11-07 04:54:56,917 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 04:54:56,999 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 04:54:57,005 INFO L272 AbstractInterpreter]: Visited 12 different actions 12 times. Never merged. Never widened. Performed 27 root evaluator evaluations with a maximum evaluation depth of 4. Performed 27 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Never found a fixpoint. Largest state had 29 variables. [2019-11-07 04:54:57,005 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 04:54:57,009 INFO L168 Benchmark]: Toolchain (without parser) took 827.74 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 102.3 MB in the beginning and 160.6 MB in the end (delta: -58.3 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. [2019-11-07 04:54:57,010 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-11-07 04:54:57,011 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.76 ms. Allocated memory is still 138.9 MB. Free memory was 102.1 MB in the beginning and 92.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-11-07 04:54:57,012 INFO L168 Benchmark]: Boogie Preprocessor took 115.84 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 92.1 MB in the beginning and 181.0 MB in the end (delta: -88.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:54:57,013 INFO L168 Benchmark]: RCFGBuilder took 356.04 ms. Allocated memory is still 203.4 MB. Free memory was 181.0 MB in the beginning and 166.4 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2019-11-07 04:54:57,014 INFO L168 Benchmark]: Abstract Interpretation took 115.04 ms. Allocated memory is still 203.4 MB. Free memory was 166.4 MB in the beginning and 160.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-11-07 04:54:57,019 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 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 236.76 ms. Allocated memory is still 138.9 MB. Free memory was 102.1 MB in the beginning and 92.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.84 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 92.1 MB in the beginning and 181.0 MB in the end (delta: -88.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 356.04 ms. Allocated memory is still 203.4 MB. Free memory was 181.0 MB in the beginning and 166.4 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 115.04 ms. Allocated memory is still 203.4 MB. Free memory was 166.4 MB in the beginning and 160.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 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: 3]: 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...