/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/float-zero-sum1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 13:13:12,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 13:13:12,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 13:13:12,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 13:13:12,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 13:13:12,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 13:13:12,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 13:13:12,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 13:13:12,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 13:13:12,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 13:13:12,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 13:13:12,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 13:13:12,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 13:13:12,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 13:13:12,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 13:13:12,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 13:13:12,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 13:13:12,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 13:13:12,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 13:13:12,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 13:13:12,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 13:13:12,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 13:13:12,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 13:13:12,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 13:13:12,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 13:13:12,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 13:13:12,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 13:13:12,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 13:13:12,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 13:13:12,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 13:13:12,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 13:13:12,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 13:13:12,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 13:13:12,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 13:13:12,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 13:13:12,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 13:13:12,127 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 13:13:12,156 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 13:13:12,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 13:13:12,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 13:13:12,160 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 13:13:12,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 13:13:12,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 13:13:12,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 13:13:12,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 13:13:12,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 13:13:12,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 13:13:12,161 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 13:13:12,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 13:13:12,162 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 13:13:12,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 13:13:12,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 13:13:12,163 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 13:13:12,164 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 13:13:12,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 13:13:12,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:13:12,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 13:13:12,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 13:13:12,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 13:13:12,168 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 13:13:12,470 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 13:13:12,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 13:13:12,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 13:13:12,491 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 13:13:12,491 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 13:13:12,492 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1.i [2020-07-17 13:13:12,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ceaa1b9f/bca70dc3c77e48308653cf95bd0479d2/FLAGaa6e70ac8 [2020-07-17 13:13:13,004 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 13:13:13,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-zero-sum1.i [2020-07-17 13:13:13,012 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ceaa1b9f/bca70dc3c77e48308653cf95bd0479d2/FLAGaa6e70ac8 [2020-07-17 13:13:13,386 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ceaa1b9f/bca70dc3c77e48308653cf95bd0479d2 [2020-07-17 13:13:13,396 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 13:13:13,399 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 13:13:13,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 13:13:13,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 13:13:13,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 13:13:13,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:13:13" (1/1) ... [2020-07-17 13:13:13,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d37b509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:13, skipping insertion in model container [2020-07-17 13:13:13,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:13:13" (1/1) ... [2020-07-17 13:13:13,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 13:13:13,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 13:13:13,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:13:13,617 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 13:13:13,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:13:13,663 INFO L208 MainTranslator]: Completed translation [2020-07-17 13:13:13,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:13 WrapperNode [2020-07-17 13:13:13,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 13:13:13,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 13:13:13,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 13:13:13,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 13:13:13,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:13" (1/1) ... [2020-07-17 13:13:13,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:13" (1/1) ... [2020-07-17 13:13:13,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:13" (1/1) ... [2020-07-17 13:13:13,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:13" (1/1) ... [2020-07-17 13:13:13,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:13" (1/1) ... [2020-07-17 13:13:13,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:13" (1/1) ... [2020-07-17 13:13:13,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:13" (1/1) ... [2020-07-17 13:13:13,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 13:13:13,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 13:13:13,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 13:13:13,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 13:13:13,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:13" (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 [2020-07-17 13:13:13,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 13:13:13,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 13:13:13,853 INFO L138 BoogieDeclarations]: Found implementation of procedure f00 [2020-07-17 13:13:13,853 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 13:13:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 13:13:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure f00 [2020-07-17 13:13:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 13:13:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-17 13:13:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 13:13:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 13:13:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 13:13:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 13:13:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 13:13:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 13:13:13,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-17 13:13:14,086 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 13:13:14,086 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 13:13:14,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:13:14 BoogieIcfgContainer [2020-07-17 13:13:14,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 13:13:14,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 13:13:14,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 13:13:14,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 13:13:14,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 01:13:13" (1/3) ... [2020-07-17 13:13:14,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c0d48f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:13:14, skipping insertion in model container [2020-07-17 13:13:14,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:13" (2/3) ... [2020-07-17 13:13:14,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c0d48f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:13:14, skipping insertion in model container [2020-07-17 13:13:14,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:13:14" (3/3) ... [2020-07-17 13:13:14,113 INFO L109 eAbstractionObserver]: Analyzing ICFG float-zero-sum1.i [2020-07-17 13:13:14,131 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 13:13:14,144 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 13:13:14,165 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 13:13:14,183 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 13:13:14,183 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 13:13:14,184 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 13:13:14,184 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 13:13:14,184 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 13:13:14,184 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 13:13:14,184 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 13:13:14,184 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 13:13:14,198 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-07-17 13:13:14,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-17 13:13:14,208 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:13:14,209 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:13:14,210 INFO L427 AbstractCegarLoop]: === Iteration 1 === [f00Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:13:14,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:13:14,216 INFO L82 PathProgramCache]: Analyzing trace with hash -2083809080, now seen corresponding path program 1 times [2020-07-17 13:13:14,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:13:14,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1046531617] [2020-07-17 13:13:14,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:13:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 13:13:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 13:13:14,386 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:13:14,388 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 13:13:14,388 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 13:13:14,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 13:13:14,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 01:13:14 BoogieIcfgContainer [2020-07-17 13:13:14,407 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 13:13:14,410 INFO L168 Benchmark]: Toolchain (without parser) took 1011.60 ms. Allocated memory was 147.3 MB in the beginning and 205.0 MB in the end (delta: 57.7 MB). Free memory was 104.2 MB in the beginning and 154.3 MB in the end (delta: -50.1 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:14,411 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 147.3 MB. Free memory is still 122.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-17 13:13:14,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.94 ms. Allocated memory is still 147.3 MB. Free memory was 103.8 MB in the beginning and 93.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:14,413 INFO L168 Benchmark]: Boogie Preprocessor took 128.98 ms. Allocated memory was 147.3 MB in the beginning and 205.0 MB in the end (delta: 57.7 MB). Free memory was 93.4 MB in the beginning and 182.7 MB in the end (delta: -89.2 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:14,414 INFO L168 Benchmark]: RCFGBuilder took 299.90 ms. Allocated memory is still 205.0 MB. Free memory was 182.7 MB in the beginning and 168.2 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:14,415 INFO L168 Benchmark]: TraceAbstraction took 308.97 ms. Allocated memory is still 205.0 MB. Free memory was 167.3 MB in the beginning and 154.3 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:14,434 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 147.3 MB. Free memory is still 122.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 263.94 ms. Allocated memory is still 147.3 MB. Free memory was 103.8 MB in the beginning and 93.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.98 ms. Allocated memory was 147.3 MB in the beginning and 205.0 MB in the end (delta: 57.7 MB). Free memory was 93.4 MB in the beginning and 182.7 MB in the end (delta: -89.2 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 299.90 ms. Allocated memory is still 205.0 MB. Free memory was 182.7 MB in the beginning and 168.2 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 308.97 ms. Allocated memory is still 205.0 MB. Free memory was 167.3 MB in the beginning and 154.3 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 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) [L100] float sum = a + b; [L101] union mix m; [L102] m.f = sum [L103] EXPR m.i [L103] COND TRUE !(m.i != 0x80000000) [L103] __VERIFIER_error() - 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: 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...