/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-no-simp6.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 12:58:44,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 12:58:44,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 12:58:44,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 12:58:44,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 12:58:44,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 12:58:44,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 12:58:44,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 12:58:44,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 12:58:44,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 12:58:44,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 12:58:44,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 12:58:44,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 12:58:44,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 12:58:44,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 12:58:44,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 12:58:44,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 12:58:44,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 12:58:44,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 12:58:44,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 12:58:44,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 12:58:44,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 12:58:44,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 12:58:44,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 12:58:44,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 12:58:44,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 12:58:44,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 12:58:44,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 12:58:44,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 12:58:44,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 12:58:44,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 12:58:44,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 12:58:44,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 12:58:44,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 12:58:44,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 12:58:44,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 12:58:44,698 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 12:58:44,725 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 12:58:44,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 12:58:44,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 12:58:44,730 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 12:58:44,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 12:58:44,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 12:58:44,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 12:58:44,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 12:58:44,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 12:58:44,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 12:58:44,734 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 12:58:44,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 12:58:44,734 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 12:58:44,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 12:58:44,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 12:58:44,735 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 12:58:44,735 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 12:58:44,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 12:58:44,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 12:58:44,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 12:58:44,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 12:58:44,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 12:58:44,739 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 12:58:45,003 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 12:58:45,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 12:58:45,016 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 12:58:45,017 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 12:58:45,018 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 12:58:45,018 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp6.c [2020-07-07 12:58:45,090 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57a8d7c7b/df62ed1f33ad4333a204a1472a0f047c/FLAG306e7d1f6 [2020-07-07 12:58:45,455 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 12:58:45,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp6.c [2020-07-07 12:58:45,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57a8d7c7b/df62ed1f33ad4333a204a1472a0f047c/FLAG306e7d1f6 [2020-07-07 12:58:45,829 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57a8d7c7b/df62ed1f33ad4333a204a1472a0f047c [2020-07-07 12:58:45,838 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 12:58:45,839 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 12:58:45,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 12:58:45,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 12:58:45,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 12:58:45,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:58:45" (1/1) ... [2020-07-07 12:58:45,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b08e308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:58:45, skipping insertion in model container [2020-07-07 12:58:45,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:58:45" (1/1) ... [2020-07-07 12:58:45,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 12:58:45,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 12:58:46,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:58:46,041 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 12:58:46,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:58:46,078 INFO L208 MainTranslator]: Completed translation [2020-07-07 12:58:46,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:58:46 WrapperNode [2020-07-07 12:58:46,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 12:58:46,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 12:58:46,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 12:58:46,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 12:58:46,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:58:46" (1/1) ... [2020-07-07 12:58:46,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:58:46" (1/1) ... [2020-07-07 12:58:46,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:58:46" (1/1) ... [2020-07-07 12:58:46,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:58:46" (1/1) ... [2020-07-07 12:58:46,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:58:46" (1/1) ... [2020-07-07 12:58:46,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:58:46" (1/1) ... [2020-07-07 12:58:46,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:58:46" (1/1) ... [2020-07-07 12:58:46,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 12:58:46,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 12:58:46,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 12:58:46,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 12:58:46,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:58:46" (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 12:58:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 12:58:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 12:58:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure multiply [2020-07-07 12:58:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure divide [2020-07-07 12:58:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2020-07-07 12:58:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 12:58:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 12:58:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure multiply [2020-07-07 12:58:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure divide [2020-07-07 12:58:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2020-07-07 12:58:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 12:58:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 12:58:46,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 12:58:46,578 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 12:58:46,578 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-07 12:58:46,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:58:46 BoogieIcfgContainer [2020-07-07 12:58:46,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 12:58:46,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 12:58:46,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 12:58:46,590 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 12:58:46,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 12:58:45" (1/3) ... [2020-07-07 12:58:46,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b390bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:58:46, skipping insertion in model container [2020-07-07 12:58:46,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:58:46" (2/3) ... [2020-07-07 12:58:46,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b390bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:58:46, skipping insertion in model container [2020-07-07 12:58:46,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:58:46" (3/3) ... [2020-07-07 12:58:46,597 INFO L109 eAbstractionObserver]: Analyzing ICFG float-no-simp6.c [2020-07-07 12:58:46,607 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 12:58:46,616 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-07 12:58:46,629 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-07 12:58:46,657 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 12:58:46,658 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 12:58:46,658 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 12:58:46,658 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 12:58:46,658 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 12:58:46,659 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 12:58:46,659 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 12:58:46,659 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 12:58:46,675 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-07-07 12:58:46,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-07 12:58:46,683 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:58:46,684 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:58:46,685 INFO L427 AbstractCegarLoop]: === Iteration 1 === [castErr0ASSERT_VIOLATIONERROR_FUNCTION, divideErr0ASSERT_VIOLATIONERROR_FUNCTION, multiplyErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:58:46,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:58:46,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1968128724, now seen corresponding path program 1 times [2020-07-07 12:58:46,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:58:46,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1118705882] [2020-07-07 12:58:46,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:58:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 12:58:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 12:58:46,806 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:58:46,808 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-07 12:58:46,808 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 12:58:46,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 12:58:46,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 12:58:46 BoogieIcfgContainer [2020-07-07 12:58:46,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 12:58:46,825 INFO L168 Benchmark]: Toolchain (without parser) took 984.39 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 104.1 MB in the beginning and 157.7 MB in the end (delta: -53.6 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-07-07 12:58:46,826 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 147.3 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-07-07 12:58:46,827 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.00 ms. Allocated memory is still 147.3 MB. Free memory was 103.7 MB in the beginning and 92.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2020-07-07 12:58:46,828 INFO L168 Benchmark]: Boogie Preprocessor took 110.10 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 92.3 MB in the beginning and 182.8 MB in the end (delta: -90.5 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-07-07 12:58:46,829 INFO L168 Benchmark]: RCFGBuilder took 394.03 ms. Allocated memory is still 203.9 MB. Free memory was 182.8 MB in the beginning and 170.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2020-07-07 12:58:46,830 INFO L168 Benchmark]: TraceAbstraction took 236.18 ms. Allocated memory is still 203.9 MB. Free memory was 169.6 MB in the beginning and 157.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2020-07-07 12:58:46,835 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 147.3 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 239.00 ms. Allocated memory is still 147.3 MB. Free memory was 103.7 MB in the beginning and 92.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.10 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 92.3 MB in the beginning and 182.8 MB in the end (delta: -90.5 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 394.03 ms. Allocated memory is still 203.9 MB. Free memory was 182.8 MB in the beginning and 170.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 236.18 ms. Allocated memory is still 203.9 MB. Free memory was 169.6 MB in the beginning and 157.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 23]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 23, overapproximation of someBinaryArithmeticFLOAToperation at line 21. Possible FailurePath: [L47] CALL multiply() [L18] float f1=0x1.000000p-1f; [L19] float f2=0x1.fffffep-126f; [L21] float res = f1 * f2; [L23] COND TRUE !(res == 0x1.0p-126f) [L23] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 34 locations, 3 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=34occurred 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...