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/test30-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:42:22,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:42:22,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:42:22,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-15 04:42:22,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:42:22,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:42:22,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:42:22,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:42:22,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:42:22,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:42:22,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:42:22,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:42:22,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:42:22,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:42:22,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:42:22,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:42:22,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:42:22,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:42:22,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:42:22,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:42:22,968 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 04:42:22,983 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:42:22,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:42:22,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:42:22,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:42:22,985 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:42:22,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:42:22,985 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:42:22,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:42:22,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:42:22,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:42:22,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:42:22,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:42:22,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:42:22,987 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:42:22,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:42:22,988 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:42:22,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:42:22,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:42:22,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:42:22,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:42:22,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:42:22,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:42:22,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:42:22,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:42:22,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:42:22,990 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:42:22,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:42:22,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:42:22,990 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 04:42:23,265 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:42:23,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:42:23,285 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:42:23,286 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:42:23,287 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:42:23,288 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test30-1.c [2019-10-15 04:42:23,358 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89402b74d/5fa39ea471f04bcd995a020d978b566d/FLAGc953c516e [2019-10-15 04:42:23,789 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:42:23,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test30-1.c [2019-10-15 04:42:23,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89402b74d/5fa39ea471f04bcd995a020d978b566d/FLAGc953c516e [2019-10-15 04:42:24,195 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89402b74d/5fa39ea471f04bcd995a020d978b566d [2019-10-15 04:42:24,205 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:42:24,207 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:42:24,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:42:24,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:42:24,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:42:24,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:42:24" (1/1) ... [2019-10-15 04:42:24,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9fb768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:24, skipping insertion in model container [2019-10-15 04:42:24,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:42:24" (1/1) ... [2019-10-15 04:42:24,224 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:42:24,240 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:42:24,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:42:24,416 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:42:24,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:42:24,447 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:42:24,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:24 WrapperNode [2019-10-15 04:42:24,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:42:24,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:42:24,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:42:24,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:42:24,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:24" (1/1) ... [2019-10-15 04:42:24,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:24" (1/1) ... [2019-10-15 04:42:24,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:24" (1/1) ... [2019-10-15 04:42:24,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:24" (1/1) ... [2019-10-15 04:42:24,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:24" (1/1) ... [2019-10-15 04:42:24,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:24" (1/1) ... [2019-10-15 04:42:24,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:24" (1/1) ... [2019-10-15 04:42:24,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:42:24,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:42:24,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:42:24,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:42:24,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:24" (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 04:42:24,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:42:24,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:42:24,645 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-10-15 04:42:24,645 INFO L138 BoogieDeclarations]: Found implementation of procedure assign2 [2019-10-15 04:42:24,645 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:42:24,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:42:24,646 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-10-15 04:42:24,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 04:42:24,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 04:42:24,646 INFO L130 BoogieDeclarations]: Found specification of procedure assign2 [2019-10-15 04:42:24,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 04:42:24,646 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:42:24,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:42:24,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 04:42:24,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 04:42:24,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 04:42:24,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:42:24,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 04:42:24,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 04:42:24,927 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:42:24,927 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 04:42:24,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:42:24 BoogieIcfgContainer [2019-10-15 04:42:24,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:42:24,930 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:42:24,930 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:42:24,930 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:42:24,931 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:42:24" (1/1) ... [2019-10-15 04:42:24,960 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:42:25,047 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 04:42:25,052 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 17 root evaluator evaluations with a maximum evaluation depth of 0. Performed 17 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 28 variables. [2019-10-15 04:42:25,053 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:42:25,056 INFO L168 Benchmark]: Toolchain (without parser) took 847.94 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 102.3 MB in the beginning and 158.8 MB in the end (delta: -56.5 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-10-15 04:42:25,058 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 144.2 MB. Free memory was 120.6 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. [2019-10-15 04:42:25,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.92 ms. Allocated memory is still 144.2 MB. Free memory was 102.1 MB in the beginning and 91.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-10-15 04:42:25,060 INFO L168 Benchmark]: Boogie Preprocessor took 133.22 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 91.6 MB in the beginning and 179.8 MB in the end (delta: -88.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-15 04:42:25,061 INFO L168 Benchmark]: RCFGBuilder took 347.42 ms. Allocated memory is still 202.4 MB. Free memory was 179.8 MB in the beginning and 163.6 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:42:25,062 INFO L168 Benchmark]: Abstract Interpretation took 123.36 ms. Allocated memory is still 202.4 MB. Free memory was 163.6 MB in the beginning and 158.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:42:25,067 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 144.2 MB. Free memory was 120.6 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 239.92 ms. Allocated memory is still 144.2 MB. Free memory was 102.1 MB in the beginning and 91.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.22 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 91.6 MB in the beginning and 179.8 MB in the end (delta: -88.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 347.42 ms. Allocated memory is still 202.4 MB. Free memory was 179.8 MB in the beginning and 163.6 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 123.36 ms. Allocated memory is still 202.4 MB. Free memory was 163.6 MB in the beginning and 158.8 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: 31]: 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...