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/test26-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:37:10,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:37:10,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:37:10,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-14 00:37:10,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:37:10,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:37:10,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:37:10,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:37:10,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:37:10,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:37:10,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:37:10,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:37:10,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:37:11,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:37:11,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:37:11,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:37:11,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 00:37:11,018 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 00:37:11,038 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:37:11,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:37:11,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:37:11,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:37:11,040 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:37:11,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:37:11,040 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:37:11,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:37:11,041 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:37:11,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:37:11,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:37:11,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:37:11,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:37:11,042 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:37:11,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:37:11,042 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:37:11,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:37:11,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:37:11,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:37:11,043 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:37:11,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:37:11,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:37:11,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:37:11,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:37:11,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:37:11,044 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:37:11,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:37:11,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:37:11,045 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 00:37:11,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:37:11,363 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:37:11,366 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:37:11,368 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:37:11,368 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:37:11,369 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test26-1.c [2019-10-14 00:37:11,440 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45bacf988/66628fb8af56491f9680b25ce5a81796/FLAG64f9ef0c7 [2019-10-14 00:37:11,827 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:37:11,828 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test26-1.c [2019-10-14 00:37:11,835 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45bacf988/66628fb8af56491f9680b25ce5a81796/FLAG64f9ef0c7 [2019-10-14 00:37:12,220 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45bacf988/66628fb8af56491f9680b25ce5a81796 [2019-10-14 00:37:12,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:37:12,234 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:37:12,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:37:12,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:37:12,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:37:12,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:37:12" (1/1) ... [2019-10-14 00:37:12,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b2e1afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:12, skipping insertion in model container [2019-10-14 00:37:12,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:37:12" (1/1) ... [2019-10-14 00:37:12,255 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:37:12,276 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:37:12,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:37:12,500 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:37:12,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:37:12,535 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:37:12,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:12 WrapperNode [2019-10-14 00:37:12,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:37:12,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:37:12,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:37:12,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:37:12,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:12" (1/1) ... [2019-10-14 00:37:12,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:12" (1/1) ... [2019-10-14 00:37:12,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:12" (1/1) ... [2019-10-14 00:37:12,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:12" (1/1) ... [2019-10-14 00:37:12,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:12" (1/1) ... [2019-10-14 00:37:12,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:12" (1/1) ... [2019-10-14 00:37:12,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:12" (1/1) ... [2019-10-14 00:37:12,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:37:12,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:37:12,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:37:12,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:37:12,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:12" (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 00:37:12,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:37:12,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:37:12,713 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-10-14 00:37:12,714 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:37:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:37:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-10-14 00:37:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 00:37:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 00:37:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:37:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:37:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 00:37:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 00:37:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:37:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 00:37:12,903 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:37:12,903 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 00:37:12,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:37:12 BoogieIcfgContainer [2019-10-14 00:37:12,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:37:12,907 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:37:12,907 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:37:12,919 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:37:12,921 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:37:12" (1/1) ... [2019-10-14 00:37:12,979 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:37:13,048 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-14 00:37:13,053 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 11 root evaluator evaluations with a maximum evaluation depth of 0. Performed 11 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 16 variables. [2019-10-14 00:37:13,054 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:37:13,056 INFO L168 Benchmark]: Toolchain (without parser) took 821.92 ms. Allocated memory was 144.2 MB in the beginning and 200.8 MB in the end (delta: 56.6 MB). Free memory was 102.0 MB in the beginning and 160.6 MB in the end (delta: -58.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-14 00:37:13,058 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 00:37:13,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.24 ms. Allocated memory is still 144.2 MB. Free memory was 101.8 MB in the beginning and 91.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-10-14 00:37:13,060 INFO L168 Benchmark]: Boogie Preprocessor took 116.20 ms. Allocated memory was 144.2 MB in the beginning and 200.8 MB in the end (delta: 56.6 MB). Free memory was 91.9 MB in the beginning and 178.4 MB in the end (delta: -86.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-10-14 00:37:13,061 INFO L168 Benchmark]: RCFGBuilder took 252.74 ms. Allocated memory is still 200.8 MB. Free memory was 178.4 MB in the beginning and 166.1 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2019-10-14 00:37:13,062 INFO L168 Benchmark]: Abstract Interpretation took 146.81 ms. Allocated memory is still 200.8 MB. Free memory was 165.5 MB in the beginning and 160.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-10-14 00:37:13,066 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 299.24 ms. Allocated memory is still 144.2 MB. Free memory was 101.8 MB in the beginning and 91.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.20 ms. Allocated memory was 144.2 MB in the beginning and 200.8 MB in the end (delta: 56.6 MB). Free memory was 91.9 MB in the beginning and 178.4 MB in the end (delta: -86.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 252.74 ms. Allocated memory is still 200.8 MB. Free memory was 178.4 MB in the beginning and 166.1 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 146.81 ms. Allocated memory is still 200.8 MB. Free memory was 165.5 MB in the beginning and 160.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 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: 24]: 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...