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-f4eb214f-m [2019-10-14 00:38:49,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:38:49,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:38:49,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:38:49,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:38:49,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:38:49,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:38:49,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:38:49,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:38:49,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:38:49,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:38:49,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 00:38:49,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:38:49,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:38:49,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:38:49,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:38:49,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:38:49,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:38:49,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:38:49,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:38:49,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:38:49,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:38:49,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:38:49,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:38:49,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 00:38:49,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:38:49,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:38:49,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:38:49,774 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 [2019-10-14 00:38:49,793 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:38:49,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:38:49,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:38:49,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:38:49,796 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:38:49,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:38:49,796 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:38:49,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:38:49,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:38:49,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:38:49,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:38:49,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:38:49,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:38:49,799 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:38:49,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:38:49,799 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:38:49,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:38:49,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:38:49,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:38:49,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:38:49,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:38:49,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:38:49,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:38:49,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:38:49,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:38:49,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:38:49,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:38:49,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:38:49,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-14 00:38:50,086 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:38:50,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:38:50,104 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:38:50,105 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:38:50,106 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:38:50,107 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c [2019-10-14 00:38:50,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54520ff21/3d604b94c28642da8aed4ee5433361ab/FLAGa2a255f19 [2019-10-14 00:38:50,773 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:38:50,773 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c [2019-10-14 00:38:50,794 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54520ff21/3d604b94c28642da8aed4ee5433361ab/FLAGa2a255f19 [2019-10-14 00:38:51,033 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54520ff21/3d604b94c28642da8aed4ee5433361ab [2019-10-14 00:38:51,044 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:38:51,046 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:38:51,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:38:51,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:38:51,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:38:51,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:38:51" (1/1) ... [2019-10-14 00:38:51,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c3023e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51, skipping insertion in model container [2019-10-14 00:38:51,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:38:51" (1/1) ... [2019-10-14 00:38:51,063 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:38:51,122 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:38:51,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:38:51,743 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:38:51,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:38:51,966 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:38:51,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51 WrapperNode [2019-10-14 00:38:51,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:38:51,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:38:51,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:38:51,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:38:51,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (1/1) ... [2019-10-14 00:38:51,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (1/1) ... [2019-10-14 00:38:52,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (1/1) ... [2019-10-14 00:38:52,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (1/1) ... [2019-10-14 00:38:52,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (1/1) ... [2019-10-14 00:38:52,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (1/1) ... [2019-10-14 00:38:52,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (1/1) ... [2019-10-14 00:38:52,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:38:52,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:38:52,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:38:52,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:38:52,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (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 [2019-10-14 00:38:52,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:38:52,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:38:52,280 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:38:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:38:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-10-14 00:38:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-10-14 00:38:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:38:52,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-14 00:38:52,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 00:38:52,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 00:38:52,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 00:38:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 00:38:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 00:38:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:38:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:38:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 00:38:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 00:38:54,267 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:38:54,268 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 00:38:54,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:38:54 BoogieIcfgContainer [2019-10-14 00:38:54,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:38:54,270 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:38:54,270 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:38:54,271 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:38:54,271 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:38:54" (1/1) ... [2019-10-14 00:38:54,315 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:38:54,421 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-14 00:38:54,429 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. [2019-10-14 00:38:54,429 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:38:54,432 INFO L168 Benchmark]: Toolchain (without parser) took 3385.54 ms. Allocated memory was 145.8 MB in the beginning and 244.8 MB in the end (delta: 99.1 MB). Free memory was 103.2 MB in the beginning and 117.0 MB in the end (delta: -13.8 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:54,433 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory is still 123.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-14 00:38:54,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 920.90 ms. Allocated memory was 145.8 MB in the beginning and 205.0 MB in the end (delta: 59.2 MB). Free memory was 102.7 MB in the beginning and 161.0 MB in the end (delta: -58.3 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:54,436 INFO L168 Benchmark]: Boogie Preprocessor took 203.86 ms. Allocated memory is still 205.0 MB. Free memory was 161.0 MB in the beginning and 148.1 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:54,439 INFO L168 Benchmark]: RCFGBuilder took 2097.48 ms. Allocated memory was 205.0 MB in the beginning and 244.8 MB in the end (delta: 39.8 MB). Free memory was 148.1 MB in the beginning and 126.5 MB in the end (delta: 21.6 MB). Peak memory consumption was 95.9 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:54,440 INFO L168 Benchmark]: Abstract Interpretation took 159.20 ms. Allocated memory is still 244.8 MB. Free memory was 126.5 MB in the beginning and 117.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-14 00:38:54,452 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 145.8 MB. Free memory is still 123.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 920.90 ms. Allocated memory was 145.8 MB in the beginning and 205.0 MB in the end (delta: 59.2 MB). Free memory was 102.7 MB in the beginning and 161.0 MB in the end (delta: -58.3 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 203.86 ms. Allocated memory is still 205.0 MB. Free memory was 161.0 MB in the beginning and 148.1 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2097.48 ms. Allocated memory was 205.0 MB in the beginning and 244.8 MB in the end (delta: 39.8 MB). Free memory was 148.1 MB in the beginning and 126.5 MB in the end (delta: 21.6 MB). Peak memory consumption was 95.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 159.20 ms. Allocated memory is still 244.8 MB. Free memory was 126.5 MB in the beginning and 117.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 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...