/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/floats-cbmc-regression/float13.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 12:59:05,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 12:59:05,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 12:59:05,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 12:59:05,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 12:59:05,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 12:59:05,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 12:59:05,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 12:59:05,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 12:59:05,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 12:59:05,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 12:59:05,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 12:59:05,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 12:59:05,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 12:59:05,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 12:59:05,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 12:59:05,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 12:59:05,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 12:59:05,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 12:59:05,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 12:59:05,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 12:59:05,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 12:59:05,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 12:59:05,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 12:59:05,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 12:59:05,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 12:59:05,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 12:59:05,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 12:59:05,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 12:59:05,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 12:59:05,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 12:59:05,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 12:59:05,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 12:59:05,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 12:59:05,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 12:59:05,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 12:59:05,138 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 12:59:05,147 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 12:59:05,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 12:59:05,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 12:59:05,149 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 12:59:05,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 12:59:05,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 12:59:05,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 12:59:05,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 12:59:05,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 12:59:05,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 12:59:05,150 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 12:59:05,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 12:59:05,151 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 12:59:05,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 12:59:05,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 12:59:05,151 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 12:59:05,151 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 12:59:05,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 12:59:05,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 12:59:05,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 12:59:05,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 12:59:05,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 12:59:05,152 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 12:59:05,438 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 12:59:05,451 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 12:59:05,454 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 12:59:05,456 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 12:59:05,456 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 12:59:05,457 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float13.c [2020-07-07 12:59:05,515 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66b4f4963/788b6da14e1e4281998ff1d0fbf6c10a/FLAG895e23741 [2020-07-07 12:59:05,904 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 12:59:05,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c [2020-07-07 12:59:05,911 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66b4f4963/788b6da14e1e4281998ff1d0fbf6c10a/FLAG895e23741 [2020-07-07 12:59:06,338 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66b4f4963/788b6da14e1e4281998ff1d0fbf6c10a [2020-07-07 12:59:06,346 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 12:59:06,349 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 12:59:06,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 12:59:06,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 12:59:06,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 12:59:06,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:59:06" (1/1) ... [2020-07-07 12:59:06,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24aa15b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:59:06, skipping insertion in model container [2020-07-07 12:59:06,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:59:06" (1/1) ... [2020-07-07 12:59:06,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 12:59:06,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 12:59:06,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:59:06,558 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 12:59:06,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:59:06,589 INFO L208 MainTranslator]: Completed translation [2020-07-07 12:59:06,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:59:06 WrapperNode [2020-07-07 12:59:06,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 12:59:06,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 12:59:06,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 12:59:06,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 12:59:06,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:59:06" (1/1) ... [2020-07-07 12:59:06,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:59:06" (1/1) ... [2020-07-07 12:59:06,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:59:06" (1/1) ... [2020-07-07 12:59:06,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:59:06" (1/1) ... [2020-07-07 12:59:06,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:59:06" (1/1) ... [2020-07-07 12:59:06,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:59:06" (1/1) ... [2020-07-07 12:59:06,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:59:06" (1/1) ... [2020-07-07 12:59:06,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 12:59:06,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 12:59:06,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 12:59:06,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 12:59:06,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:59:06" (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 [2020-07-07 12:59:06,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 12:59:06,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 12:59:06,756 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 12:59:06,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 12:59:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 12:59:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 12:59:06,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 12:59:06,989 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 12:59:06,989 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-07 12:59:06,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:59:06 BoogieIcfgContainer [2020-07-07 12:59:06,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 12:59:06,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 12:59:06,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 12:59:06,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 12:59:06,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 12:59:06" (1/3) ... [2020-07-07 12:59:07,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aca7505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:59:07, skipping insertion in model container [2020-07-07 12:59:07,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:59:06" (2/3) ... [2020-07-07 12:59:07,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aca7505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:59:07, skipping insertion in model container [2020-07-07 12:59:07,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:59:06" (3/3) ... [2020-07-07 12:59:07,003 INFO L109 eAbstractionObserver]: Analyzing ICFG float13.c [2020-07-07 12:59:07,015 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 12:59:07,028 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-07-07 12:59:07,048 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-07-07 12:59:07,073 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 12:59:07,074 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 12:59:07,074 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 12:59:07,074 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 12:59:07,074 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 12:59:07,075 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 12:59:07,075 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 12:59:07,075 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 12:59:07,094 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-07-07 12:59:07,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-07 12:59:07,103 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:59:07,104 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:59:07,105 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:59:07,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:59:07,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1307681174, now seen corresponding path program 1 times [2020-07-07 12:59:07,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:59:07,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1945285313] [2020-07-07 12:59:07,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:59:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 12:59:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 12:59:07,256 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:59:07,258 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-07 12:59:07,259 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 12:59:07,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 12:59:07,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 12:59:07 BoogieIcfgContainer [2020-07-07 12:59:07,276 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 12:59:07,279 INFO L168 Benchmark]: Toolchain (without parser) took 930.01 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 101.8 MB in the beginning and 151.2 MB in the end (delta: -49.4 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2020-07-07 12:59:07,280 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 12:59:07,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.21 ms. Allocated memory is still 136.3 MB. Free memory was 101.3 MB in the beginning and 91.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-07-07 12:59:07,282 INFO L168 Benchmark]: Boogie Preprocessor took 24.71 ms. Allocated memory is still 136.3 MB. Free memory was 91.6 MB in the beginning and 90.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-07 12:59:07,283 INFO L168 Benchmark]: RCFGBuilder took 379.92 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 89.9 MB in the beginning and 164.7 MB in the end (delta: -74.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2020-07-07 12:59:07,284 INFO L168 Benchmark]: TraceAbstraction took 280.26 ms. Allocated memory is still 199.8 MB. Free memory was 164.0 MB in the beginning and 151.2 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2020-07-07 12:59:07,288 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 239.21 ms. Allocated memory is still 136.3 MB. Free memory was 101.3 MB in the beginning and 91.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.71 ms. Allocated memory is still 136.3 MB. Free memory was 91.6 MB in the beginning and 90.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 379.92 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 89.9 MB in the beginning and 164.7 MB in the end (delta: -74.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 280.26 ms. Allocated memory is still 199.8 MB. Free memory was 164.0 MB in the beginning and 151.2 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 13]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryArithmeticFLOAToperation at line 5. Possible FailurePath: [L3] const float plus_infinity = 1.0f/0.0f; [L4] const float minus_infinity = 0.0f/-0.0f; [L5] const float NaN = 0.0f * (1.0f/0.0f); [L9] _Bool temp; [L12] temp = NaN < plus_infinity [L13] COND TRUE !(!temp) [L13] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 45 locations, 8 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=45occurred 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...