/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-crafted/simple_array_index_value_4.i.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 06:57:15,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:57:15,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:57:15,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 06:57:15,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 06:57:15,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 06:57:15,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 06:57:15,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 06:57:15,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 06:57:15,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 06:57:15,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 06:57:15,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 06:57:15,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 06:57:15,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 06:57:15,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 06:57:15,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 06:57:15,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 06:57:15,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 06:57:15,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 06:57:15,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 06:57:15,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 06:57:15,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 06:57:15,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 06:57:15,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 06:57:15,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 06:57:15,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 06:57:15,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 06:57:15,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 06:57:15,738 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 06:57:15,757 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:57:15,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:57:15,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:57:15,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:57:15,760 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:57:15,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:57:15,760 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:57:15,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:57:15,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:57:15,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:57:15,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:57:15,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:57:15,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:57:15,762 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:57:15,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:57:15,763 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:57:15,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:57:15,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:57:15,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:57:15,764 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:57:15,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:57:15,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:57:15,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:57:15,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:57:15,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:57:15,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:57:15,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:57:15,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:57:15,766 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 06:57:16,041 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:57:16,063 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:57:16,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:57:16,068 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:57:16,069 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:57:16,070 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2019-11-07 06:57:16,142 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af5f8d6f6/87e63a54eb9b47d383f554d4a943332f/FLAG0b5597c6c [2019-11-07 06:57:16,600 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:57:16,601 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_4.i.v+nlh-reducer.c [2019-11-07 06:57:16,610 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af5f8d6f6/87e63a54eb9b47d383f554d4a943332f/FLAG0b5597c6c [2019-11-07 06:57:16,971 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af5f8d6f6/87e63a54eb9b47d383f554d4a943332f [2019-11-07 06:57:16,981 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:57:16,983 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:57:16,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:57:16,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:57:16,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:57:16,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:16" (1/1) ... [2019-11-07 06:57:16,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bf7a6b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:16, skipping insertion in model container [2019-11-07 06:57:16,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:16" (1/1) ... [2019-11-07 06:57:16,999 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:57:17,031 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:57:17,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:57:17,204 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:57:17,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:57:17,255 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:57:17,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:17 WrapperNode [2019-11-07 06:57:17,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:57:17,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:57:17,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:57:17,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:57:17,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:17" (1/1) ... [2019-11-07 06:57:17,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:17" (1/1) ... [2019-11-07 06:57:17,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:17" (1/1) ... [2019-11-07 06:57:17,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:17" (1/1) ... [2019-11-07 06:57:17,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:17" (1/1) ... [2019-11-07 06:57:17,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:17" (1/1) ... [2019-11-07 06:57:17,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:17" (1/1) ... [2019-11-07 06:57:17,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:57:17,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:57:17,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:57:17,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:57:17,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:17" (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 06:57:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:57:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:57:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:57:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:57:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 06:57:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 06:57:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-07 06:57:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:57:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 06:57:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 06:57:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 06:57:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:57:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:57:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 06:57:17,750 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:57:17,750 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 06:57:17,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:17 BoogieIcfgContainer [2019-11-07 06:57:17,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:57:17,753 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:57:17,753 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:57:17,754 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:57:17,755 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:17" (1/1) ... [2019-11-07 06:57:17,786 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:57:17,885 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 06:57:17,891 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 24 root evaluator evaluations with a maximum evaluation depth of 0. Performed 24 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 42 variables. [2019-11-07 06:57:17,891 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:57:17,894 INFO L168 Benchmark]: Toolchain (without parser) took 909.82 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 102.1 MB in the beginning and 156.7 MB in the end (delta: -54.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:17,895 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 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 06:57:17,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.92 ms. Allocated memory is still 145.2 MB. Free memory was 101.9 MB in the beginning and 90.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:17,897 INFO L168 Benchmark]: Boogie Preprocessor took 130.99 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 90.7 MB in the beginning and 180.4 MB in the end (delta: -89.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:17,898 INFO L168 Benchmark]: RCFGBuilder took 364.97 ms. Allocated memory is still 202.9 MB. Free memory was 180.4 MB in the beginning and 162.1 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:17,899 INFO L168 Benchmark]: Abstract Interpretation took 137.82 ms. Allocated memory is still 202.9 MB. Free memory was 162.1 MB in the beginning and 156.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:17,904 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 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 271.92 ms. Allocated memory is still 145.2 MB. Free memory was 101.9 MB in the beginning and 90.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.99 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 90.7 MB in the beginning and 180.4 MB in the end (delta: -89.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 364.97 ms. Allocated memory is still 202.9 MB. Free memory was 180.4 MB in the beginning and 162.1 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 137.82 ms. Allocated memory is still 202.9 MB. Free memory was 162.1 MB in the beginning and 156.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - PositiveResult [Line: 68]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 105]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 37]: 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...