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/ldv-regression/test14.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:42:15,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:42:15,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:42:15,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:42:15,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:42:15,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:42:15,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:42:15,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:42:15,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:42:15,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:42:15,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:42:15,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:42:15,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:42:15,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:42:15,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:42:15,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:42:15,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:42:15,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:42:15,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:42:15,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:42:15,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:42:15,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:42:15,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:42:15,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:42:15,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:42:15,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:42:15,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:42:15,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:42:15,933 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 04:42:15,947 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:42:15,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:42:15,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:42:15,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:42:15,949 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:42:15,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:42:15,949 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:42:15,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:42:15,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:42:15,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:42:15,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:42:15,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:42:15,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:42:15,950 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:42:15,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:42:15,951 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:42:15,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:42:15,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:42:15,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:42:15,951 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:42:15,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:42:15,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:42:15,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:42:15,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:42:15,953 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:42:15,953 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:42:15,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:42:15,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:42:15,953 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 04:42:16,228 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:42:16,248 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:42:16,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:42:16,253 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:42:16,253 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:42:16,254 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test14.c [2019-10-15 04:42:16,328 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9305661a/9ecc114f78d042669b46fb088995f15e/FLAG15b24d201 [2019-10-15 04:42:16,811 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:42:16,812 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test14.c [2019-10-15 04:42:16,819 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9305661a/9ecc114f78d042669b46fb088995f15e/FLAG15b24d201 [2019-10-15 04:42:17,198 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9305661a/9ecc114f78d042669b46fb088995f15e [2019-10-15 04:42:17,208 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:42:17,210 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:42:17,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:42:17,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:42:17,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:42:17,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:42:17" (1/1) ... [2019-10-15 04:42:17,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6146627e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:17, skipping insertion in model container [2019-10-15 04:42:17,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:42:17" (1/1) ... [2019-10-15 04:42:17,226 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:42:17,241 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:42:17,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:42:17,454 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:42:17,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:42:17,490 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:42:17,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:17 WrapperNode [2019-10-15 04:42:17,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:42:17,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:42:17,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:42:17,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:42:17,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:17" (1/1) ... [2019-10-15 04:42:17,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:17" (1/1) ... [2019-10-15 04:42:17,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:17" (1/1) ... [2019-10-15 04:42:17,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:17" (1/1) ... [2019-10-15 04:42:17,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:17" (1/1) ... [2019-10-15 04:42:17,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:17" (1/1) ... [2019-10-15 04:42:17,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:17" (1/1) ... [2019-10-15 04:42:17,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:42:17,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:42:17,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:42:17,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:42:17,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:17" (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 [2019-10-15 04:42:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:42:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:42:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-10-15 04:42:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:42:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:42:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:42:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 04:42:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-10-15 04:42:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:42:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 04:42:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 04:42:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 04:42:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 04:42:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:42:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:42:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 04:42:17,953 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:42:17,954 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 04:42:17,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:42:17 BoogieIcfgContainer [2019-10-15 04:42:17,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:42:17,956 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:42:17,956 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:42:17,957 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:42:17,958 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:42:17" (1/1) ... [2019-10-15 04:42:17,990 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:42:18,050 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 04:42:18,055 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 13 root evaluator evaluations with a maximum evaluation depth of 0. Performed 13 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 20 variables. [2019-10-15 04:42:18,055 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:42:18,059 INFO L168 Benchmark]: Toolchain (without parser) took 847.48 ms. Allocated memory was 145.2 MB in the beginning and 201.3 MB in the end (delta: 56.1 MB). Free memory was 103.4 MB in the beginning and 159.1 MB in the end (delta: -55.8 MB). Peak memory consumption was 335.3 kB. Max. memory is 7.1 GB. [2019-10-15 04:42:18,060 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-15 04:42:18,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.30 ms. Allocated memory is still 145.2 MB. Free memory was 103.2 MB in the beginning and 93.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:42:18,063 INFO L168 Benchmark]: Boogie Preprocessor took 124.89 ms. Allocated memory was 145.2 MB in the beginning and 201.3 MB in the end (delta: 56.1 MB). Free memory was 93.3 MB in the beginning and 179.6 MB in the end (delta: -86.3 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:42:18,064 INFO L168 Benchmark]: RCFGBuilder took 338.74 ms. Allocated memory is still 201.3 MB. Free memory was 179.6 MB in the beginning and 163.8 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:42:18,065 INFO L168 Benchmark]: Abstract Interpretation took 99.34 ms. Allocated memory is still 201.3 MB. Free memory was 163.8 MB in the beginning and 159.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-10-15 04:42:18,070 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 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 280.30 ms. Allocated memory is still 145.2 MB. Free memory was 103.2 MB in the beginning and 93.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.89 ms. Allocated memory was 145.2 MB in the beginning and 201.3 MB in the end (delta: 56.1 MB). Free memory was 93.3 MB in the beginning and 179.6 MB in the end (delta: -86.3 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 338.74 ms. Allocated memory is still 201.3 MB. Free memory was 179.6 MB in the beginning and 163.8 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 99.34 ms. Allocated memory is still 201.3 MB. Free memory was 163.8 MB in the beginning and 159.1 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 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: 25]: 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...