/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-benchs/addsub_float_exact.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 18:29:38,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 18:29:38,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 18:29:38,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 18:29:38,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 18:29:38,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 18:29:38,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 18:29:38,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 18:29:38,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 18:29:38,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 18:29:38,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 18:29:38,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 18:29:38,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 18:29:38,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 18:29:38,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 18:29:38,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 18:29:38,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 18:29:38,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 18:29:38,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 18:29:38,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 18:29:38,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 18:29:38,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 18:29:38,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 18:29:38,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 18:29:38,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 18:29:38,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 18:29:38,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 18:29:38,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 18:29:38,420 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 18:29:38,429 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 18:29:38,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 18:29:38,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 18:29:38,431 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 18:29:38,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 18:29:38,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 18:29:38,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 18:29:38,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 18:29:38,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 18:29:38,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 18:29:38,432 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 18:29:38,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 18:29:38,432 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 18:29:38,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 18:29:38,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 18:29:38,433 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 18:29:38,433 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 18:29:38,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 18:29:38,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 18:29:38,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 18:29:38,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 18:29:38,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 18:29:38,435 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 18:29:38,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 18:29:38,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 18:29:38,749 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 18:29:38,750 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 18:29:38,751 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 18:29:38,751 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/addsub_float_exact.c [2020-08-22 18:29:38,821 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e64927650/a30f987d72cd44f2adb1c0c41df2288d/FLAG34772484f [2020-08-22 18:29:39,282 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 18:29:39,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/addsub_float_exact.c [2020-08-22 18:29:39,289 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e64927650/a30f987d72cd44f2adb1c0c41df2288d/FLAG34772484f [2020-08-22 18:29:39,637 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e64927650/a30f987d72cd44f2adb1c0c41df2288d [2020-08-22 18:29:39,646 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 18:29:39,647 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 18:29:39,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 18:29:39,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 18:29:39,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 18:29:39,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:29:39" (1/1) ... [2020-08-22 18:29:39,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7edd8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:39, skipping insertion in model container [2020-08-22 18:29:39,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:29:39" (1/1) ... [2020-08-22 18:29:39,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 18:29:39,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 18:29:39,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:29:39,841 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 18:29:39,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:29:39,867 INFO L208 MainTranslator]: Completed translation [2020-08-22 18:29:39,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:39 WrapperNode [2020-08-22 18:29:39,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 18:29:39,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 18:29:39,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 18:29:39,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 18:29:39,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:39" (1/1) ... [2020-08-22 18:29:39,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:39" (1/1) ... [2020-08-22 18:29:39,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:39" (1/1) ... [2020-08-22 18:29:39,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:39" (1/1) ... [2020-08-22 18:29:39,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:39" (1/1) ... [2020-08-22 18:29:39,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:39" (1/1) ... [2020-08-22 18:29:39,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:39" (1/1) ... [2020-08-22 18:29:39,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 18:29:39,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 18:29:39,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 18:29:39,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 18:29:39,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:39" (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 [2020-08-22 18:29:40,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 18:29:40,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 18:29:40,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-08-22 18:29:40,047 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 18:29:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 18:29:40,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-22 18:29:40,048 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 18:29:40,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 18:29:40,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 18:29:40,202 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 18:29:40,203 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 18:29:40,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:29:40 BoogieIcfgContainer [2020-08-22 18:29:40,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 18:29:40,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 18:29:40,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 18:29:40,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 18:29:40,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 06:29:39" (1/3) ... [2020-08-22 18:29:40,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58fd4292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:29:40, skipping insertion in model container [2020-08-22 18:29:40,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:29:39" (2/3) ... [2020-08-22 18:29:40,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58fd4292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:29:40, skipping insertion in model container [2020-08-22 18:29:40,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:29:40" (3/3) ... [2020-08-22 18:29:40,214 INFO L109 eAbstractionObserver]: Analyzing ICFG addsub_float_exact.c [2020-08-22 18:29:40,225 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 18:29:40,232 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 18:29:40,246 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 18:29:40,267 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 18:29:40,267 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 18:29:40,267 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 18:29:40,268 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 18:29:40,268 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 18:29:40,268 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 18:29:40,268 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 18:29:40,268 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 18:29:40,280 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-08-22 18:29:40,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-08-22 18:29:40,289 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:29:40,290 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:29:40,291 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:29:40,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:29:40,296 INFO L82 PathProgramCache]: Analyzing trace with hash 501478975, now seen corresponding path program 1 times [2020-08-22 18:29:40,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:29:40,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [707295354] [2020-08-22 18:29:40,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:29:40,361 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:29:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 18:29:40,396 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 18:29:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 18:29:40,404 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 18:29:40,424 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 18:29:40,425 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 18:29:40,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 18:29:40,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 06:29:40 BoogieIcfgContainer [2020-08-22 18:29:40,444 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 18:29:40,447 INFO L168 Benchmark]: Toolchain (without parser) took 798.67 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 102.1 MB in the beginning and 155.7 MB in the end (delta: -53.6 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2020-08-22 18:29:40,448 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 18:29:40,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 219.68 ms. Allocated memory is still 139.5 MB. Free memory was 101.9 MB in the beginning and 92.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-08-22 18:29:40,451 INFO L168 Benchmark]: Boogie Preprocessor took 116.15 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 92.7 MB in the beginning and 180.9 MB in the end (delta: -88.2 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2020-08-22 18:29:40,452 INFO L168 Benchmark]: RCFGBuilder took 221.34 ms. Allocated memory is still 201.9 MB. Free memory was 180.9 MB in the beginning and 168.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2020-08-22 18:29:40,453 INFO L168 Benchmark]: TraceAbstraction took 236.21 ms. Allocated memory is still 201.9 MB. Free memory was 168.2 MB in the beginning and 155.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-08-22 18:29:40,457 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 219.68 ms. Allocated memory is still 139.5 MB. Free memory was 101.9 MB in the beginning and 92.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.15 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 92.7 MB in the beginning and 180.9 MB in the end (delta: -88.2 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 221.34 ms. Allocated memory is still 201.9 MB. Free memory was 180.9 MB in the beginning and 168.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 236.21 ms. Allocated memory is still 201.9 MB. Free memory was 168.2 MB in the beginning and 155.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 14, overapproximation of someBinaryArithmeticFLOAToperation at line 13. Possible FailurePath: [L8] float x, y, z, r; [L10] x = 1e7f [L11] y = x + 1.f [L12] z = x - 1.f [L13] r = y - z [L14] CALL __VERIFIER_assert(r == 2.f) [L4] COND TRUE !(cond) [L4] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, 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=24occurred 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: No data available, 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...