/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/ldv-regression/nested_structure-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 06:54:07,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:54:07,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:54:07,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 06:54:07,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 06:54:07,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 06:54:07,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 06:54:07,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 06:54:07,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 06:54:07,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 06:54:07,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 06:54:07,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 06:54:07,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 06:54:07,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 06:54:07,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 06:54:07,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 06:54:07,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 06:54:07,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 06:54:07,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 06:54:07,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 06:54:07,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 06:54:07,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 06:54:07,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 06:54:07,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 06:54:07,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 06:54:07,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 06:54:07,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 06:54:07,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 06:54:07,105 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 06:54:07,118 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:54:07,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:54:07,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:54:07,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:54:07,120 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:54:07,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:54:07,120 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:54:07,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:54:07,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:54:07,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:54:07,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:54:07,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:54:07,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:54:07,121 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:54:07,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:54:07,122 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:54:07,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:54:07,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:54:07,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:54:07,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:54:07,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:54:07,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:54:07,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:54:07,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:54:07,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:54:07,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:54:07,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:54:07,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:54:07,125 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 06:54:07,380 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:54:07,397 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:54:07,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:54:07,401 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:54:07,402 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:54:07,403 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/nested_structure-2.i [2019-11-07 06:54:07,473 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8322a15fe/b17c449d04844051af2cb6289a6f74d1/FLAG34927c07f [2019-11-07 06:54:07,980 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:54:07,982 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure-2.i [2019-11-07 06:54:07,990 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8322a15fe/b17c449d04844051af2cb6289a6f74d1/FLAG34927c07f [2019-11-07 06:54:08,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8322a15fe/b17c449d04844051af2cb6289a6f74d1 [2019-11-07 06:54:08,377 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:54:08,379 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:54:08,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:54:08,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:54:08,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:54:08,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:54:08" (1/1) ... [2019-11-07 06:54:08,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b5caa5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:08, skipping insertion in model container [2019-11-07 06:54:08,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:54:08" (1/1) ... [2019-11-07 06:54:08,395 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:54:08,411 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:54:08,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:54:08,591 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:54:08,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:54:08,620 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:54:08,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:08 WrapperNode [2019-11-07 06:54:08,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:54:08,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:54:08,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:54:08,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:54:08,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:08" (1/1) ... [2019-11-07 06:54:08,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:08" (1/1) ... [2019-11-07 06:54:08,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:08" (1/1) ... [2019-11-07 06:54:08,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:08" (1/1) ... [2019-11-07 06:54:08,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:08" (1/1) ... [2019-11-07 06:54:08,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:08" (1/1) ... [2019-11-07 06:54:08,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:08" (1/1) ... [2019-11-07 06:54:08,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:54:08,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:54:08,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:54:08,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:54:08,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:54:08" (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 06:54:08,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:54:08,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:54:08,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 06:54:08,822 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:54:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:54:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 06:54:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 06:54:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2019-11-07 06:54:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2019-11-07 06:54:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:54:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 06:54:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 06:54:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 06:54:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 06:54:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 06:54:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 06:54:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 06:54:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:54:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:54:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 06:54:09,037 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:54:09,038 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 06:54:09,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:54:09 BoogieIcfgContainer [2019-11-07 06:54:09,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:54:09,040 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:54:09,040 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:54:09,040 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:54:09,041 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:54:09" (1/1) ... [2019-11-07 06:54:09,098 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:54:09,221 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 06:54:09,226 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 19 root evaluator evaluations with a maximum evaluation depth of 0. Performed 19 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 32 variables. [2019-11-07 06:54:09,227 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:54:09,230 INFO L168 Benchmark]: Toolchain (without parser) took 849.66 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 102.6 MB in the beginning and 159.1 MB in the end (delta: -56.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. [2019-11-07 06:54:09,231 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 06:54:09,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.06 ms. Allocated memory is still 137.9 MB. Free memory was 102.4 MB in the beginning and 92.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-11-07 06:54:09,234 INFO L168 Benchmark]: Boogie Preprocessor took 135.54 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 92.3 MB in the beginning and 179.4 MB in the end (delta: -87.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2019-11-07 06:54:09,235 INFO L168 Benchmark]: RCFGBuilder took 282.52 ms. Allocated memory is still 201.9 MB. Free memory was 179.4 MB in the beginning and 164.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2019-11-07 06:54:09,236 INFO L168 Benchmark]: Abstract Interpretation took 186.68 ms. Allocated memory is still 201.9 MB. Free memory was 164.0 MB in the beginning and 159.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-11-07 06:54:09,243 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 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 241.06 ms. Allocated memory is still 137.9 MB. Free memory was 102.4 MB in the beginning and 92.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.54 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 92.3 MB in the beginning and 179.4 MB in the end (delta: -87.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 282.52 ms. Allocated memory is still 201.9 MB. Free memory was 179.4 MB in the beginning and 164.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 186.68 ms. Allocated memory is still 201.9 MB. Free memory was 164.0 MB in the beginning and 159.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 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: 4]: 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...