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-industry-pattern/aiob_4.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:00,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:00,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:00,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:00,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:00,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:00,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:00,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:00,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:00,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:00,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:00,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:44:00,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:00,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:00,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:00,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:00,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:00,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:00,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:00,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:00,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:00,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:00,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:00,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:00,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:44:01,001 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:44:01,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:44:01,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:44:01,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:44:01,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:44:01,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:44:01,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:44:01,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:44:01,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:01,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:01,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:01,009 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 [2019-10-15 04:44:01,033 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:01,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:01,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:01,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:01,035 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:01,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:01,036 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:01,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:01,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:01,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:01,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:01,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:01,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:01,037 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:01,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:01,038 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:01,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:01,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:01,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:01,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:01,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:01,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:01,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:01,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:01,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:01,040 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:01,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:01,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:01,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 04:44:01,349 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:01,362 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:01,366 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:01,367 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:01,368 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:01,369 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c [2019-10-15 04:44:01,434 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2355c5bce/2273a8f0dcaa4cc48a22cc082d591c60/FLAGbfa5b7e82 [2019-10-15 04:44:01,975 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:01,976 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c [2019-10-15 04:44:01,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2355c5bce/2273a8f0dcaa4cc48a22cc082d591c60/FLAGbfa5b7e82 [2019-10-15 04:44:02,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2355c5bce/2273a8f0dcaa4cc48a22cc082d591c60 [2019-10-15 04:44:02,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:02,294 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:02,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:02,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:02,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:02,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:02" (1/1) ... [2019-10-15 04:44:02,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a5e5042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:02, skipping insertion in model container [2019-10-15 04:44:02,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:02" (1/1) ... [2019-10-15 04:44:02,310 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:02,365 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:02,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:02,980 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:03,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:03,202 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:03,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:03 WrapperNode [2019-10-15 04:44:03,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:03,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:03,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:03,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:03,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:03" (1/1) ... [2019-10-15 04:44:03,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:03" (1/1) ... [2019-10-15 04:44:03,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:03" (1/1) ... [2019-10-15 04:44:03,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:03" (1/1) ... [2019-10-15 04:44:03,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:03" (1/1) ... [2019-10-15 04:44:03,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:03" (1/1) ... [2019-10-15 04:44:03,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:03" (1/1) ... [2019-10-15 04:44:03,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:03,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:03,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:03,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:03,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:03" (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 [2019-10-15 04:44:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-10-15 04:44:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-10-15 04:44:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 04:44:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 04:44:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 04:44:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 04:44:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 04:44:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 04:44:03,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 04:44:05,576 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:05,577 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 04:44:05,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:05 BoogieIcfgContainer [2019-10-15 04:44:05,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:05,580 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:05,580 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:05,580 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:05,581 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:05" (1/1) ... [2019-10-15 04:44:05,642 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:05,777 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 04:44:05,786 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 105 root evaluator evaluations with a maximum evaluation depth of 0. Performed 105 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 200 variables. [2019-10-15 04:44:05,787 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:05,790 INFO L168 Benchmark]: Toolchain (without parser) took 3493.79 ms. Allocated memory was 144.2 MB in the beginning and 250.1 MB in the end (delta: 105.9 MB). Free memory was 100.3 MB in the beginning and 138.0 MB in the end (delta: -37.7 MB). Peak memory consumption was 68.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:05,792 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 144.2 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 04:44:05,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 907.45 ms. Allocated memory was 144.2 MB in the beginning and 200.8 MB in the end (delta: 56.6 MB). Free memory was 100.1 MB in the beginning and 155.5 MB in the end (delta: -55.4 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:05,795 INFO L168 Benchmark]: Boogie Preprocessor took 175.16 ms. Allocated memory is still 200.8 MB. Free memory was 155.5 MB in the beginning and 143.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:05,797 INFO L168 Benchmark]: RCFGBuilder took 2200.63 ms. Allocated memory was 200.8 MB in the beginning and 250.1 MB in the end (delta: 49.3 MB). Free memory was 143.3 MB in the beginning and 147.7 MB in the end (delta: -4.4 MB). Peak memory consumption was 101.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:05,798 INFO L168 Benchmark]: Abstract Interpretation took 206.87 ms. Allocated memory is still 250.1 MB. Free memory was 147.7 MB in the beginning and 138.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:05,809 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 144.2 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 907.45 ms. Allocated memory was 144.2 MB in the beginning and 200.8 MB in the end (delta: 56.6 MB). Free memory was 100.1 MB in the beginning and 155.5 MB in the end (delta: -55.4 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 175.16 ms. Allocated memory is still 200.8 MB. Free memory was 155.5 MB in the beginning and 143.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2200.63 ms. Allocated memory was 200.8 MB in the beginning and 250.1 MB in the end (delta: 49.3 MB). Free memory was 143.3 MB in the beginning and 147.7 MB in the end (delta: -4.4 MB). Peak memory consumption was 101.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 206.87 ms. Allocated memory is still 250.1 MB. Free memory was 147.7 MB in the beginning and 138.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 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: 1285]: 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...