/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 17:35:25,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 17:35:25,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 17:35:25,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 17:35:25,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 17:35:25,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 17:35:25,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 17:35:25,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 17:35:25,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 17:35:25,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 17:35:25,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 17:35:25,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 17:35:25,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 17:35:25,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 17:35:25,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 17:35:25,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 17:35:25,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 17:35:25,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 17:35:25,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 17:35:25,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 17:35:25,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 17:35:25,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 17:35:25,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 17:35:25,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 17:35:25,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 17:35:25,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 17:35:25,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 17:35:25,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 17:35:25,909 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 17:35:25,924 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 17:35:25,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 17:35:25,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 17:35:25,927 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 17:35:25,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 17:35:25,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 17:35:25,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 17:35:25,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 17:35:25,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 17:35:25,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 17:35:25,929 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 17:35:25,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 17:35:25,929 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 17:35:25,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 17:35:25,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 17:35:25,930 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 17:35:25,930 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 17:35:25,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 17:35:25,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 17:35:25,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 17:35:25,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 17:35:25,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 17:35:25,932 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 17:35:26,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 17:35:26,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 17:35:26,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 17:35:26,340 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 17:35:26,340 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 17:35:26,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1.i [2021-02-23 17:35:26,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba9f34b9/4d410e48a07a43c390773bf38ff193d3/FLAGe3c0b6131 [2021-02-23 17:35:27,022 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 17:35:27,023 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1.i [2021-02-23 17:35:27,030 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba9f34b9/4d410e48a07a43c390773bf38ff193d3/FLAGe3c0b6131 [2021-02-23 17:35:27,367 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cba9f34b9/4d410e48a07a43c390773bf38ff193d3 [2021-02-23 17:35:27,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 17:35:27,384 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 17:35:27,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 17:35:27,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 17:35:27,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 17:35:27,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 05:35:27" (1/1) ... [2021-02-23 17:35:27,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7931003b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:35:27, skipping insertion in model container [2021-02-23 17:35:27,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 05:35:27" (1/1) ... [2021-02-23 17:35:27,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 17:35:27,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 17:35:27,592 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1.i[2011,2024] [2021-02-23 17:35:27,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 17:35:27,612 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 17:35:27,633 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1.i[2011,2024] [2021-02-23 17:35:27,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 17:35:27,653 INFO L208 MainTranslator]: Completed translation [2021-02-23 17:35:27,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:35:27 WrapperNode [2021-02-23 17:35:27,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 17:35:27,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 17:35:27,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 17:35:27,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 17:35:27,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:35:27" (1/1) ... [2021-02-23 17:35:27,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:35:27" (1/1) ... [2021-02-23 17:35:27,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:35:27" (1/1) ... [2021-02-23 17:35:27,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:35:27" (1/1) ... [2021-02-23 17:35:27,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:35:27" (1/1) ... [2021-02-23 17:35:27,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:35:27" (1/1) ... [2021-02-23 17:35:27,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:35:27" (1/1) ... [2021-02-23 17:35:27,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 17:35:27,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 17:35:27,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 17:35:27,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 17:35:27,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:35:27" (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 [2021-02-23 17:35:27,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 17:35:27,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 17:35:27,822 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 17:35:27,822 INFO L138 BoogieDeclarations]: Found implementation of procedure f00 [2021-02-23 17:35:27,822 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 17:35:27,822 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 17:35:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 17:35:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-23 17:35:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-23 17:35:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 17:35:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 17:35:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure f00 [2021-02-23 17:35:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-02-23 17:35:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 17:35:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 17:35:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 17:35:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 17:35:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 17:35:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 17:35:27,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 17:35:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-02-23 17:35:28,252 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 17:35:28,252 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 17:35:28,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 05:35:28 BoogieIcfgContainer [2021-02-23 17:35:28,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 17:35:28,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 17:35:28,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 17:35:28,260 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 17:35:28,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 05:35:27" (1/3) ... [2021-02-23 17:35:28,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160826bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 05:35:28, skipping insertion in model container [2021-02-23 17:35:28,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:35:27" (2/3) ... [2021-02-23 17:35:28,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160826bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 05:35:28, skipping insertion in model container [2021-02-23 17:35:28,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 05:35:28" (3/3) ... [2021-02-23 17:35:28,264 INFO L111 eAbstractionObserver]: Analyzing ICFG float-zero-sum1.i [2021-02-23 17:35:28,271 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 17:35:28,276 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 17:35:28,296 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 17:35:28,321 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 17:35:28,322 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 17:35:28,322 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-23 17:35:28,322 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 17:35:28,322 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 17:35:28,322 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 17:35:28,322 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 17:35:28,322 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 17:35:28,346 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2021-02-23 17:35:28,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-02-23 17:35:28,368 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:35:28,369 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 17:35:28,370 INFO L428 AbstractCegarLoop]: === Iteration 1 === [f00Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:35:28,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:35:28,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1521858923, now seen corresponding path program 1 times [2021-02-23 17:35:28,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:35:28,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [165181625] [2021-02-23 17:35:28,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:35:28,468 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:35:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 17:35:28,560 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 17:35:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 17:35:28,615 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 17:35:28,682 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-23 17:35:28,683 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-23 17:35:28,683 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 17:35:28,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 05:35:28 BoogieIcfgContainer [2021-02-23 17:35:28,716 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 17:35:28,721 INFO L168 Benchmark]: Toolchain (without parser) took 1345.43 ms. Allocated memory is still 153.1 MB. Free memory was 129.6 MB in the beginning and 118.4 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 8.0 GB. [2021-02-23 17:35:28,723 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 153.1 MB. Free memory was 128.3 MB in the beginning and 128.2 MB in the end (delta: 100.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 17:35:28,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.77 ms. Allocated memory is still 153.1 MB. Free memory was 128.4 MB in the beginning and 118.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-23 17:35:28,728 INFO L168 Benchmark]: Boogie Preprocessor took 40.24 ms. Allocated memory is still 153.1 MB. Free memory was 118.6 MB in the beginning and 116.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-23 17:35:28,730 INFO L168 Benchmark]: RCFGBuilder took 558.54 ms. Allocated memory is still 153.1 MB. Free memory was 116.9 MB in the beginning and 133.1 MB in the end (delta: -16.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-02-23 17:35:28,733 INFO L168 Benchmark]: TraceAbstraction took 459.82 ms. Allocated memory is still 153.1 MB. Free memory was 132.5 MB in the beginning and 118.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-02-23 17:35:28,740 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 153.1 MB. Free memory was 128.3 MB in the beginning and 128.2 MB in the end (delta: 100.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 265.77 ms. Allocated memory is still 153.1 MB. Free memory was 128.4 MB in the beginning and 118.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 40.24 ms. Allocated memory is still 153.1 MB. Free memory was 118.6 MB in the beginning and 116.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 558.54 ms. Allocated memory is still 153.1 MB. Free memory was 116.9 MB in the beginning and 133.1 MB in the end (delta: -16.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 459.82 ms. Allocated memory is still 153.1 MB. Free memory was 132.5 MB in the beginning and 118.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 114]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 122, overapproximation of someBinaryArithmeticFLOAToperation at line 111. Possible FailurePath: [L122] CALL f00(-0x1.6b890ep+29, 0x1.6b890ep+29) [L111] float sum = a + b; [L112] union mix m; [L113] m.f = sum [L114] EXPR m.i [L114] COND TRUE !(m.i != 0x80000000) [L114] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, 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=36occurred 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...