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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:02:56,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:02:56,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:02:56,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:02:56,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:02:56,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:02:56,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:02:56,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:02:56,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:02:56,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:02:56,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:02:56,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:02:56,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:02:56,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:02:56,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:02:56,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:02:56,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:02:56,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:02:56,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:02:56,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:02:56,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:02:56,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:02:56,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:02:56,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:02:56,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:02:56,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:02:56,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:02:56,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:02:56,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:02:56,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:02:56,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:02:56,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:02:56,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:02:56,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:02:56,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:02:56,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:02:56,268 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-11 16:02:56,283 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:02:56,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:02:56,284 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:02:56,284 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:02:56,284 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:02:56,285 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:02:56,285 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:02:56,285 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:02:56,285 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:02:56,286 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:02:56,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:02:56,286 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:02:56,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:02:56,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:02:56,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:02:56,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:02:56,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:02:56,288 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:02:56,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:02:56,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:02:56,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:02:56,288 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:02:56,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:02:56,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:02:56,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:02:56,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:02:56,290 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:02:56,290 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:02:56,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:02:56,290 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:02:56,319 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:02:56,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:02:56,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:02:56,335 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:02:56,335 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:02:56,336 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1.i [2019-09-11 16:02:56,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c887e805/4b6d20f322bb4d289507f1a349826e83/FLAG303b12c58 [2019-09-11 16:02:56,833 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:02:56,834 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1.i [2019-09-11 16:02:56,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c887e805/4b6d20f322bb4d289507f1a349826e83/FLAG303b12c58 [2019-09-11 16:02:57,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c887e805/4b6d20f322bb4d289507f1a349826e83 [2019-09-11 16:02:57,187 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:02:57,188 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:02:57,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:02:57,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:02:57,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:02:57,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:02:57" (1/1) ... [2019-09-11 16:02:57,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374b1c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:57, skipping insertion in model container [2019-09-11 16:02:57,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:02:57" (1/1) ... [2019-09-11 16:02:57,202 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:02:57,224 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:02:57,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:02:57,403 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:02:57,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:02:57,540 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:02:57,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:57 WrapperNode [2019-09-11 16:02:57,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:02:57,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:02:57,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:02:57,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:02:57,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:57" (1/1) ... [2019-09-11 16:02:57,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:57" (1/1) ... [2019-09-11 16:02:57,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:57" (1/1) ... [2019-09-11 16:02:57,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:57" (1/1) ... [2019-09-11 16:02:57,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:57" (1/1) ... [2019-09-11 16:02:57,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:57" (1/1) ... [2019-09-11 16:02:57,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:57" (1/1) ... [2019-09-11 16:02:57,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:02:57,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:02:57,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:02:57,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:02:57,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:57" (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 [2019-09-11 16:02:57,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:02:57,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:02:57,620 INFO L138 BoogieDeclarations]: Found implementation of procedure f00 [2019-09-11 16:02:57,620 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:02:57,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:02:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure f00 [2019-09-11 16:02:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-11 16:02:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-11 16:02:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-11 16:02:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-11 16:02:57,621 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:02:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:02:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:02:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-11 16:02:57,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-11 16:02:57,799 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:02:57,799 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 16:02:57,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:02:57 BoogieIcfgContainer [2019-09-11 16:02:57,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:02:57,802 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:02:57,802 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:02:57,802 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:02:57,808 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:02:57" (1/1) ... [2019-09-11 16:02:57,847 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:02:57,949 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-11 16:02:57,955 INFO L272 AbstractInterpreter]: Visited 7 different actions 7 times. Never merged. Never widened. Performed 29 root evaluator evaluations with a maximum evaluation depth of 1. Performed 29 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 23 variables. [2019-09-11 16:02:57,955 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:02:57,958 INFO L168 Benchmark]: Toolchain (without parser) took 768.70 ms. Allocated memory was 143.7 MB in the beginning and 203.4 MB in the end (delta: 59.8 MB). Free memory was 91.5 MB in the beginning and 161.4 MB in the end (delta: -70.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:02:57,959 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:02:57,960 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.33 ms. Allocated memory was 143.7 MB in the beginning and 203.4 MB in the end (delta: 59.8 MB). Free memory was 91.2 MB in the beginning and 181.6 MB in the end (delta: -90.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-09-11 16:02:57,961 INFO L168 Benchmark]: Boogie Preprocessor took 27.93 ms. Allocated memory is still 203.4 MB. Free memory was 181.6 MB in the beginning and 179.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:02:57,962 INFO L168 Benchmark]: RCFGBuilder took 231.23 ms. Allocated memory is still 203.4 MB. Free memory was 179.5 MB in the beginning and 167.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:02:57,963 INFO L168 Benchmark]: Abstract Interpretation took 153.67 ms. Allocated memory is still 203.4 MB. Free memory was 167.3 MB in the beginning and 161.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:02:57,968 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 352.33 ms. Allocated memory was 143.7 MB in the beginning and 203.4 MB in the end (delta: 59.8 MB). Free memory was 91.2 MB in the beginning and 181.6 MB in the end (delta: -90.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.93 ms. Allocated memory is still 203.4 MB. Free memory was 181.6 MB in the beginning and 179.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 231.23 ms. Allocated memory is still 203.4 MB. Free memory was 179.5 MB in the beginning and 167.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 153.67 ms. Allocated memory is still 203.4 MB. Free memory was 167.3 MB in the beginning and 161.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 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: 103]: 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...