/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-industry-pattern/aiob_4.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 06:57:19,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:57:19,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:57:19,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 06:57:19,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 06:57:19,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 06:57:19,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 06:57:19,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 06:57:19,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 06:57:19,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 06:57:19,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 06:57:19,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 06:57:19,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 06:57:20,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 06:57:20,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 06:57:20,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 06:57:20,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 06:57:20,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 06:57:20,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 06:57:20,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 06:57:20,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 06:57:20,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 06:57:20,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 06:57:20,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 06:57:20,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 06:57:20,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 06:57:20,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 06:57:20,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 06:57:20,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 06:57:20,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 06:57:20,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 06:57:20,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 06:57:20,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 06:57:20,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 06:57:20,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 06:57:20,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 06:57:20,035 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 06:57:20,049 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:57:20,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:57:20,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:57:20,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:57:20,051 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:57:20,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:57:20,051 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:57:20,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:57:20,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:57:20,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:57:20,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:57:20,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:57:20,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:57:20,052 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:57:20,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:57:20,053 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:57:20,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:57:20,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:57:20,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:57:20,054 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:57:20,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:57:20,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:57:20,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:57:20,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:57:20,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:57:20,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:57:20,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:57:20,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:57:20,055 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 06:57:20,362 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:57:20,376 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:57:20,379 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:57:20,381 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:57:20,381 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:57:20,382 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c [2019-11-07 06:57:20,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/186d8933c/e691b8176fd94f6489cfae52a3e1b20d/FLAGd62c53eb8 [2019-11-07 06:57:21,023 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:57:21,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c [2019-11-07 06:57:21,035 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/186d8933c/e691b8176fd94f6489cfae52a3e1b20d/FLAGd62c53eb8 [2019-11-07 06:57:21,292 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/186d8933c/e691b8176fd94f6489cfae52a3e1b20d [2019-11-07 06:57:21,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:57:21,303 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:57:21,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:57:21,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:57:21,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:57:21,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:21" (1/1) ... [2019-11-07 06:57:21,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cac5ffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:21, skipping insertion in model container [2019-11-07 06:57:21,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:21" (1/1) ... [2019-11-07 06:57:21,319 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:57:21,390 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:57:22,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:57:22,025 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:57:22,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:57:22,260 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:57:22,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:22 WrapperNode [2019-11-07 06:57:22,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:57:22,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:57:22,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:57:22,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:57:22,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:22" (1/1) ... [2019-11-07 06:57:22,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:22" (1/1) ... [2019-11-07 06:57:22,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:22" (1/1) ... [2019-11-07 06:57:22,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:22" (1/1) ... [2019-11-07 06:57:22,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:22" (1/1) ... [2019-11-07 06:57:22,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:22" (1/1) ... [2019-11-07 06:57:22,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:22" (1/1) ... [2019-11-07 06:57:22,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:57:22,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:57:22,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:57:22,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:57:22,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:22" (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 06:57:22,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:57:22,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:57:22,570 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:57:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:57:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-11-07 06:57:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-11-07 06:57:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:57:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 06:57:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 06:57:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 06:57:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 06:57:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 06:57:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 06:57:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:57:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:57:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 06:57:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 06:57:24,787 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:57:24,787 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 06:57:24,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:24 BoogieIcfgContainer [2019-11-07 06:57:24,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:57:24,789 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:57:24,790 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:57:24,790 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:57:24,791 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:24" (1/1) ... [2019-11-07 06:57:24,843 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:57:24,956 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 06:57:24,961 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. [2019-11-07 06:57:24,962 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:57:24,965 INFO L168 Benchmark]: Toolchain (without parser) took 3660.54 ms. Allocated memory was 142.6 MB in the beginning and 256.4 MB in the end (delta: 113.8 MB). Free memory was 98.9 MB in the beginning and 160.1 MB in the end (delta: -61.2 MB). Peak memory consumption was 52.6 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:24,966 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 142.6 MB. Free memory was 119.0 MB in the beginning and 118.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 06:57:24,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 957.52 ms. Allocated memory was 142.6 MB in the beginning and 202.9 MB in the end (delta: 60.3 MB). Free memory was 98.7 MB in the beginning and 162.9 MB in the end (delta: -64.1 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:24,969 INFO L168 Benchmark]: Boogie Preprocessor took 234.58 ms. Allocated memory is still 202.9 MB. Free memory was 162.9 MB in the beginning and 149.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:24,971 INFO L168 Benchmark]: RCFGBuilder took 2292.07 ms. Allocated memory was 202.9 MB in the beginning and 256.4 MB in the end (delta: 53.5 MB). Free memory was 149.9 MB in the beginning and 170.4 MB in the end (delta: -20.5 MB). Peak memory consumption was 106.9 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:24,975 INFO L168 Benchmark]: Abstract Interpretation took 172.24 ms. Allocated memory is still 256.4 MB. Free memory was 170.4 MB in the beginning and 160.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:24,986 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 142.6 MB. Free memory was 119.0 MB in the beginning and 118.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 957.52 ms. Allocated memory was 142.6 MB in the beginning and 202.9 MB in the end (delta: 60.3 MB). Free memory was 98.7 MB in the beginning and 162.9 MB in the end (delta: -64.1 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 234.58 ms. Allocated memory is still 202.9 MB. Free memory was 162.9 MB in the beginning and 149.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2292.07 ms. Allocated memory was 202.9 MB in the beginning and 256.4 MB in the end (delta: 53.5 MB). Free memory was 149.9 MB in the beginning and 170.4 MB in the end (delta: -20.5 MB). Peak memory consumption was 106.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 172.24 ms. Allocated memory is still 256.4 MB. Free memory was 170.4 MB in the beginning and 160.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 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...