/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+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 06:57:18,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:57:18,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:57:18,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 06:57:18,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 06:57:18,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 06:57:18,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 06:57:18,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 06:57:18,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 06:57:18,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 06:57:18,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 06:57:18,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 06:57:18,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 06:57:18,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 06:57:18,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 06:57:18,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 06:57:18,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 06:57:18,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 06:57:18,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 06:57:18,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 06:57:18,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 06:57:18,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 06:57:18,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 06:57:18,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 06:57:18,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 06:57:18,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 06:57:18,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 06:57:18,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 06:57:18,921 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 06:57:18,947 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:57:18,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:57:18,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:57:18,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:57:18,948 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:57:18,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:57:18,949 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:57:18,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:57:18,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:57:18,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:57:18,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:57:18,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:57:18,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:57:18,950 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:57:18,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:57:18,950 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:57:18,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:57:18,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:57:18,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:57:18,951 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:57:18,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:57:18,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:57:18,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:57:18,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:57:18,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:57:18,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:57:18,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:57:18,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:57:18,953 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 06:57:19,228 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:57:19,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:57:19,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:57:19,246 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:57:19,246 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:57:19,247 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c [2019-11-07 06:57:19,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8428acf0d/25f7fdd3b84041e5acf18f456ae1a374/FLAGbe8ad7c9e [2019-11-07 06:57:19,797 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:57:19,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c [2019-11-07 06:57:19,806 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8428acf0d/25f7fdd3b84041e5acf18f456ae1a374/FLAGbe8ad7c9e [2019-11-07 06:57:20,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8428acf0d/25f7fdd3b84041e5acf18f456ae1a374 [2019-11-07 06:57:20,147 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:57:20,149 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:57:20,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:57:20,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:57:20,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:57:20,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:20" (1/1) ... [2019-11-07 06:57:20,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ecbca02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:20, skipping insertion in model container [2019-11-07 06:57:20,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:20" (1/1) ... [2019-11-07 06:57:20,165 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:57:20,215 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:57:20,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:57:20,633 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:57:20,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:57:20,726 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:57:20,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:20 WrapperNode [2019-11-07 06:57:20,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:57:20,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:57:20,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:57:20,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:57:20,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:20" (1/1) ... [2019-11-07 06:57:20,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:20" (1/1) ... [2019-11-07 06:57:20,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:20" (1/1) ... [2019-11-07 06:57:20,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:20" (1/1) ... [2019-11-07 06:57:20,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:20" (1/1) ... [2019-11-07 06:57:20,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:20" (1/1) ... [2019-11-07 06:57:20,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:20" (1/1) ... [2019-11-07 06:57:20,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:57:20,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:57:20,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:57:20,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:57:20,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:20" (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 06:57:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:57:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:57:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:57:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:57:20,885 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-11-07 06:57:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-11-07 06:57:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:57:20,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 06:57:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 06:57:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 06:57:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 06:57:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 06:57:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 06:57:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:57:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:57:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 06:57:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 06:57:21,638 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:57:21,638 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 06:57:21,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:21 BoogieIcfgContainer [2019-11-07 06:57:21,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:57:21,641 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:57:21,641 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:57:21,641 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:57:21,642 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:21" (1/1) ... [2019-11-07 06:57:21,685 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:57:21,767 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 06:57:21,773 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 21 root evaluator evaluations with a maximum evaluation depth of 0. Performed 21 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 32 variables. [2019-11-07 06:57:21,773 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:57:21,776 INFO L168 Benchmark]: Toolchain (without parser) took 1626.52 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 101.6 MB in the beginning and 95.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:21,777 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 145.8 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 06:57:21,778 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.01 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 101.4 MB in the beginning and 175.8 MB in the end (delta: -74.4 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:21,779 INFO L168 Benchmark]: Boogie Preprocessor took 76.25 ms. Allocated memory is still 202.9 MB. Free memory was 175.8 MB in the beginning and 172.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:21,780 INFO L168 Benchmark]: RCFGBuilder took 836.51 ms. Allocated memory is still 202.9 MB. Free memory was 172.5 MB in the beginning and 100.7 MB in the end (delta: 71.9 MB). Peak memory consumption was 71.9 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:21,781 INFO L168 Benchmark]: Abstract Interpretation took 132.80 ms. Allocated memory is still 202.9 MB. Free memory was 100.7 MB in the beginning and 95.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:21,791 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 145.8 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 577.01 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 101.4 MB in the beginning and 175.8 MB in the end (delta: -74.4 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 76.25 ms. Allocated memory is still 202.9 MB. Free memory was 175.8 MB in the beginning and 172.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 836.51 ms. Allocated memory is still 202.9 MB. Free memory was 172.5 MB in the beginning and 100.7 MB in the end (delta: 71.9 MB). Peak memory consumption was 71.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 132.80 ms. Allocated memory is still 202.9 MB. Free memory was 100.7 MB in the beginning and 95.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 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: 191]: 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...