/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/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 21:34:43,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 21:34:43,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 21:34:43,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 21:34:43,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 21:34:43,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 21:34:43,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 21:34:43,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 21:34:43,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 21:34:43,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 21:34:43,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 21:34:43,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 21:34:43,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 21:34:43,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 21:34:43,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 21:34:43,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 21:34:43,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 21:34:43,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 21:34:43,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 21:34:43,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 21:34:43,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 21:34:43,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 21:34:43,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 21:34:43,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 21:34:43,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 21:34:43,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 21:34:43,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 21:34:43,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 21:34:43,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 21:34:43,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 21:34:43,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 21:34:43,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 21:34:43,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 21:34:43,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 21:34:43,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 21:34:43,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 21:34:43,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 21:34:43,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 21:34:43,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 21:34:43,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 21:34:43,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 21:34:43,263 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 21:34:43,274 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 21:34:43,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 21:34:43,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 21:34:43,276 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 21:34:43,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 21:34:43,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 21:34:43,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 21:34:43,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 21:34:43,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 21:34:43,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 21:34:43,277 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 21:34:43,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 21:34:43,277 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 21:34:43,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 21:34:43,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 21:34:43,278 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 21:34:43,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 21:34:43,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 21:34:43,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 21:34:43,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 21:34:43,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 21:34:43,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 21:34:43,280 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-09-04 21:34:43,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 21:34:43,712 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 21:34:43,716 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 21:34:43,718 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 21:34:43,718 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 21:34:43,719 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1.i [2020-09-04 21:34:43,809 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e5a4f6ea/822a7226d5a646199c55142989cb0541/FLAGe8b180907 [2020-09-04 21:34:44,331 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 21:34:44,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1.i [2020-09-04 21:34:44,341 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e5a4f6ea/822a7226d5a646199c55142989cb0541/FLAGe8b180907 [2020-09-04 21:34:44,694 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e5a4f6ea/822a7226d5a646199c55142989cb0541 [2020-09-04 21:34:44,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 21:34:44,711 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 21:34:44,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 21:34:44,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 21:34:44,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 21:34:44,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:34:44" (1/1) ... [2020-09-04 21:34:44,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e2857fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:34:44, skipping insertion in model container [2020-09-04 21:34:44,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:34:44" (1/1) ... [2020-09-04 21:34:44,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 21:34:44,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 21:34:44,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:34:45,000 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 21:34:45,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:34:45,050 INFO L208 MainTranslator]: Completed translation [2020-09-04 21:34:45,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:34:45 WrapperNode [2020-09-04 21:34:45,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 21:34:45,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 21:34:45,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 21:34:45,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 21:34:45,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:34:45" (1/1) ... [2020-09-04 21:34:45,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:34:45" (1/1) ... [2020-09-04 21:34:45,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:34:45" (1/1) ... [2020-09-04 21:34:45,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:34:45" (1/1) ... [2020-09-04 21:34:45,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:34:45" (1/1) ... [2020-09-04 21:34:45,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:34:45" (1/1) ... [2020-09-04 21:34:45,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:34:45" (1/1) ... [2020-09-04 21:34:45,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 21:34:45,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 21:34:45,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 21:34:45,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 21:34:45,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:34:45" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 21:34:45,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 21:34:45,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 21:34:45,254 INFO L138 BoogieDeclarations]: Found implementation of procedure f00 [2020-09-04 21:34:45,254 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 21:34:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 21:34:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure f00 [2020-09-04 21:34:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 21:34:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-09-04 21:34:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 21:34:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 21:34:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 21:34:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 21:34:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 21:34:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 21:34:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-09-04 21:34:45,475 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 21:34:45,475 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 21:34:45,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:34:45 BoogieIcfgContainer [2020-09-04 21:34:45,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 21:34:45,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 21:34:45,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 21:34:45,490 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 21:34:45,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 09:34:44" (1/3) ... [2020-09-04 21:34:45,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b42b16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:34:45, skipping insertion in model container [2020-09-04 21:34:45,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:34:45" (2/3) ... [2020-09-04 21:34:45,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b42b16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:34:45, skipping insertion in model container [2020-09-04 21:34:45,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:34:45" (3/3) ... [2020-09-04 21:34:45,496 INFO L109 eAbstractionObserver]: Analyzing ICFG float-zero-sum1.i [2020-09-04 21:34:45,506 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 21:34:45,514 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 21:34:45,535 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 21:34:45,564 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 21:34:45,564 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 21:34:45,564 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 21:34:45,565 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 21:34:45,565 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 21:34:45,565 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 21:34:45,565 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 21:34:45,565 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 21:34:45,583 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-09-04 21:34:45,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-04 21:34:45,597 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:34:45,598 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:34:45,599 INFO L427 AbstractCegarLoop]: === Iteration 1 === [f00Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:34:45,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:34:45,607 INFO L82 PathProgramCache]: Analyzing trace with hash -2083809080, now seen corresponding path program 1 times [2020-09-04 21:34:45,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:34:45,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [873979664] [2020-09-04 21:34:45,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:34:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 21:34:45,765 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 21:34:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 21:34:45,806 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 21:34:45,840 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 21:34:45,841 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 21:34:45,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 21:34:45,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 09:34:45 BoogieIcfgContainer [2020-09-04 21:34:45,876 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 21:34:45,880 INFO L168 Benchmark]: Toolchain (without parser) took 1167.80 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 102.0 MB in the beginning and 150.2 MB in the end (delta: -48.2 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2020-09-04 21:34:45,881 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 138.4 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 21:34:45,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.65 ms. Allocated memory is still 138.4 MB. Free memory was 101.8 MB in the beginning and 91.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-09-04 21:34:45,883 INFO L168 Benchmark]: Boogie Preprocessor took 129.26 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 91.3 MB in the beginning and 179.8 MB in the end (delta: -88.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2020-09-04 21:34:45,884 INFO L168 Benchmark]: RCFGBuilder took 300.47 ms. Allocated memory is still 201.9 MB. Free memory was 179.1 MB in the beginning and 164.7 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2020-09-04 21:34:45,884 INFO L168 Benchmark]: TraceAbstraction took 393.56 ms. Allocated memory is still 201.9 MB. Free memory was 164.1 MB in the beginning and 150.2 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2020-09-04 21:34:45,888 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 138.4 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 338.65 ms. Allocated memory is still 138.4 MB. Free memory was 101.8 MB in the beginning and 91.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.26 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 91.3 MB in the beginning and 179.8 MB in the end (delta: -88.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 300.47 ms. Allocated memory is still 201.9 MB. Free memory was 179.1 MB in the beginning and 164.7 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 393.56 ms. Allocated memory is still 201.9 MB. Free memory was 164.1 MB in the beginning and 150.2 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 103]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of someBinaryArithmeticFLOAToperation at line 100. Possible FailurePath: [L111] CALL f00(-0x1.6b890ep+29, 0x1.6b890ep+29) VAL [\old(b)=762388928] [L100] float sum = a + b; VAL [\old(a)=2147483651, \old(b)=762388928, a=2147483651, b=762388928] [L101] union mix m; VAL [\old(a)=2147483651, \old(b)=762388928, a=2147483651, b=762388928, m={2:0}] [L102] m.f = sum VAL [\old(a)=2147483651, \old(b)=762388928, a=2147483651, b=762388928, m={2:0}, sum=2147483650] [L103] EXPR m.i VAL [\old(a)=2147483651, \old(b)=762388928, a=2147483651, b=762388928, m={2:0}, m.i=2147483648, sum=2147483650] [L103] COND TRUE !(m.i != 0x80000000) VAL [\old(a)=2147483651, \old(b)=762388928, a=2147483651, b=762388928, m={2:0}, m.i=2147483648, sum=2147483650] [L103] __VERIFIER_error() VAL [\old(a)=2147483651, \old(b)=762388928, a=2147483651, b=762388928, m={2:0}, sum=2147483650] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...