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/test03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:42:12,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:42:12,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:42:12,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:42:12,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:42:12,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:42:12,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:42:12,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:42:12,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:42:12,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:42:12,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:42:12,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:42:12,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:42:12,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:42:12,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:42:12,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:42:12,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:42:12,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:42:12,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:42:12,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:42:12,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:42:12,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:42:12,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:42:12,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:42:12,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:42:12,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:42:12,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:42:12,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:42:12,519 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 04:42:12,555 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:42:12,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:42:12,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:42:12,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:42:12,559 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:42:12,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:42:12,560 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:42:12,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:42:12,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:42:12,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:42:12,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:42:12,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:42:12,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:42:12,561 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:42:12,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:42:12,561 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:42:12,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:42:12,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:42:12,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:42:12,562 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:42:12,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:42:12,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:42:12,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:42:12,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:42:12,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:42:12,564 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:42:12,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:42:12,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:42:12,565 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 04:42:12,869 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:42:12,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:42:12,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:42:12,900 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:42:12,901 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:42:12,902 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test03.c [2019-10-15 04:42:12,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/182601c28/5c90b9c276be479c8fa6e2c22f59a7b8/FLAGf7363785f [2019-10-15 04:42:13,404 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:42:13,405 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test03.c [2019-10-15 04:42:13,412 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/182601c28/5c90b9c276be479c8fa6e2c22f59a7b8/FLAGf7363785f [2019-10-15 04:42:13,773 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/182601c28/5c90b9c276be479c8fa6e2c22f59a7b8 [2019-10-15 04:42:13,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:42:13,784 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:42:13,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:42:13,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:42:13,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:42:13,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:42:13" (1/1) ... [2019-10-15 04:42:13,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0c3ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:13, skipping insertion in model container [2019-10-15 04:42:13,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:42:13" (1/1) ... [2019-10-15 04:42:13,802 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:42:13,819 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:42:14,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:42:14,017 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:42:14,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:42:14,054 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:42:14,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:14 WrapperNode [2019-10-15 04:42:14,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:42:14,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:42:14,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:42:14,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:42:14,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:14" (1/1) ... [2019-10-15 04:42:14,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:14" (1/1) ... [2019-10-15 04:42:14,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:14" (1/1) ... [2019-10-15 04:42:14,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:14" (1/1) ... [2019-10-15 04:42:14,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:14" (1/1) ... [2019-10-15 04:42:14,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:14" (1/1) ... [2019-10-15 04:42:14,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:14" (1/1) ... [2019-10-15 04:42:14,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:42:14,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:42:14,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:42:14,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:42:14,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:42:14" (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 04:42:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:42:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:42:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-10-15 04:42:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:42:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:42:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-10-15 04:42:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:42:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 04:42:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 04:42:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 04:42:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 04:42:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:42:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:42:14,506 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:42:14,507 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 04:42:14,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:42:14 BoogieIcfgContainer [2019-10-15 04:42:14,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:42:14,513 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:42:14,513 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:42:14,515 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:42:14,517 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:42:14" (1/1) ... [2019-10-15 04:42:14,541 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:42:14,599 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 04:42:14,604 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 18 root evaluator evaluations with a maximum evaluation depth of 0. Performed 18 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 25 variables. [2019-10-15 04:42:14,604 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:42:14,607 INFO L168 Benchmark]: Toolchain (without parser) took 821.84 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 102.9 MB in the beginning and 164.1 MB in the end (delta: -61.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 04:42:14,608 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 04:42:14,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.83 ms. Allocated memory is still 146.3 MB. Free memory was 102.7 MB in the beginning and 93.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-15 04:42:14,611 INFO L168 Benchmark]: Boogie Preprocessor took 131.98 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 93.1 MB in the beginning and 182.3 MB in the end (delta: -89.2 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-10-15 04:42:14,612 INFO L168 Benchmark]: RCFGBuilder took 324.45 ms. Allocated memory is still 203.9 MB. Free memory was 182.3 MB in the beginning and 169.8 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-10-15 04:42:14,614 INFO L168 Benchmark]: Abstract Interpretation took 91.56 ms. Allocated memory is still 203.9 MB. Free memory was 169.2 MB in the beginning and 164.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-10-15 04:42:14,620 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 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 269.83 ms. Allocated memory is still 146.3 MB. Free memory was 102.7 MB in the beginning and 93.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.98 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 93.1 MB in the beginning and 182.3 MB in the end (delta: -89.2 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 324.45 ms. Allocated memory is still 203.9 MB. Free memory was 182.3 MB in the beginning and 169.8 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 91.56 ms. Allocated memory is still 203.9 MB. Free memory was 169.2 MB in the beginning and 164.1 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 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: 26]: 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...