/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-benchs/nan_float_range.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 12:59:42,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 12:59:42,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 12:59:42,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 12:59:42,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 12:59:42,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 12:59:42,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 12:59:42,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 12:59:42,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 12:59:42,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 12:59:42,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 12:59:42,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 12:59:42,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 12:59:42,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 12:59:42,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 12:59:42,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 12:59:42,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 12:59:42,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 12:59:42,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 12:59:42,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 12:59:42,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 12:59:42,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 12:59:42,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 12:59:42,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 12:59:42,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 12:59:42,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 12:59:42,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 12:59:42,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 12:59:42,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 12:59:42,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 12:59:42,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 12:59:42,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 12:59:42,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 12:59:42,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 12:59:42,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 12:59:42,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 12:59:42,737 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 12:59:42,746 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 12:59:42,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 12:59:42,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 12:59:42,748 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 12:59:42,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 12:59:42,748 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 12:59:42,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 12:59:42,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 12:59:42,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 12:59:42,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 12:59:42,749 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 12:59:42,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 12:59:42,750 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 12:59:42,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 12:59:42,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 12:59:42,750 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 12:59:42,750 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 12:59:42,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 12:59:42,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 12:59:42,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 12:59:42,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 12:59:42,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 12:59:42,752 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 12:59:43,006 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 12:59:43,018 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 12:59:43,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 12:59:43,022 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 12:59:43,022 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 12:59:43,023 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/nan_float_range.c [2020-07-07 12:59:43,080 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99955b39e/cb68cc074de94e6dba53083a97cd2eac/FLAG05cf5042b [2020-07-07 12:59:43,473 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 12:59:43,474 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/nan_float_range.c [2020-07-07 12:59:43,480 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99955b39e/cb68cc074de94e6dba53083a97cd2eac/FLAG05cf5042b [2020-07-07 12:59:43,850 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99955b39e/cb68cc074de94e6dba53083a97cd2eac [2020-07-07 12:59:43,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 12:59:43,864 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 12:59:43,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 12:59:43,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 12:59:43,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 12:59:43,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:59:43" (1/1) ... [2020-07-07 12:59:43,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60986292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:59:43, skipping insertion in model container [2020-07-07 12:59:43,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:59:43" (1/1) ... [2020-07-07 12:59:43,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 12:59:43,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 12:59:44,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:59:44,072 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 12:59:44,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:59:44,100 INFO L208 MainTranslator]: Completed translation [2020-07-07 12:59:44,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:59:44 WrapperNode [2020-07-07 12:59:44,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 12:59:44,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 12:59:44,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 12:59:44,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 12:59:44,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:59:44" (1/1) ... [2020-07-07 12:59:44,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:59:44" (1/1) ... [2020-07-07 12:59:44,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:59:44" (1/1) ... [2020-07-07 12:59:44,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:59:44" (1/1) ... [2020-07-07 12:59:44,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:59:44" (1/1) ... [2020-07-07 12:59:44,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:59:44" (1/1) ... [2020-07-07 12:59:44,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:59:44" (1/1) ... [2020-07-07 12:59:44,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 12:59:44,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 12:59:44,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 12:59:44,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 12:59:44,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:59:44" (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 12:59:44,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 12:59:44,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 12:59:44,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-07 12:59:44,260 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 12:59:44,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 12:59:44,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-07-07 12:59:44,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-07 12:59:44,260 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 12:59:44,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 12:59:44,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 12:59:44,423 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 12:59:44,423 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-07 12:59:44,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:59:44 BoogieIcfgContainer [2020-07-07 12:59:44,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 12:59:44,427 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 12:59:44,427 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 12:59:44,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 12:59:44,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 12:59:43" (1/3) ... [2020-07-07 12:59:44,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@667bc139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:59:44, skipping insertion in model container [2020-07-07 12:59:44,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:59:44" (2/3) ... [2020-07-07 12:59:44,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@667bc139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:59:44, skipping insertion in model container [2020-07-07 12:59:44,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:59:44" (3/3) ... [2020-07-07 12:59:44,433 INFO L109 eAbstractionObserver]: Analyzing ICFG nan_float_range.c [2020-07-07 12:59:44,443 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 12:59:44,450 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 12:59:44,462 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 12:59:44,484 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 12:59:44,484 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 12:59:44,484 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 12:59:44,485 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 12:59:44,485 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 12:59:44,485 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 12:59:44,485 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 12:59:44,485 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 12:59:44,499 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-07-07 12:59:44,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-07 12:59:44,509 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:59:44,510 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:59:44,511 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:59:44,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:59:44,517 INFO L82 PathProgramCache]: Analyzing trace with hash -187268354, now seen corresponding path program 1 times [2020-07-07 12:59:44,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:59:44,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [348652790] [2020-07-07 12:59:44,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:59:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 12:59:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 12:59:44,632 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:59:44,634 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-07 12:59:44,634 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 12:59:44,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 12:59:44,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 12:59:44 BoogieIcfgContainer [2020-07-07 12:59:44,650 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 12:59:44,653 INFO L168 Benchmark]: Toolchain (without parser) took 788.05 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 101.4 MB in the beginning and 155.5 MB in the end (delta: -54.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-07-07 12:59:44,655 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-07 12:59:44,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.53 ms. Allocated memory is still 137.4 MB. Free memory was 101.0 MB in the beginning and 91.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-07-07 12:59:44,657 INFO L168 Benchmark]: Boogie Preprocessor took 101.27 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 91.8 MB in the beginning and 180.0 MB in the end (delta: -88.2 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2020-07-07 12:59:44,658 INFO L168 Benchmark]: RCFGBuilder took 223.72 ms. Allocated memory is still 201.3 MB. Free memory was 180.0 MB in the beginning and 168.6 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2020-07-07 12:59:44,658 INFO L168 Benchmark]: TraceAbstraction took 222.81 ms. Allocated memory is still 201.3 MB. Free memory was 168.6 MB in the beginning and 155.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2020-07-07 12:59:44,662 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 234.53 ms. Allocated memory is still 137.4 MB. Free memory was 101.0 MB in the beginning and 91.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.27 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 91.8 MB in the beginning and 180.0 MB in the end (delta: -88.2 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 223.72 ms. Allocated memory is still 201.3 MB. Free memory was 180.0 MB in the beginning and 168.6 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 222.81 ms. Allocated memory is still 201.3 MB. Free memory was 168.6 MB in the beginning and 155.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 13, overapproximation of someBinaryFLOATComparisonOperation at line 14. Possible FailurePath: [L10] float x; [L11] x = __VERIFIER_nondet_float() [L13] COND TRUE x >= -1e10 && x <= 1e10 [L14] CALL __VERIFIER_assert(x==x) [L6] COND TRUE !(cond) [L6] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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...