/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float13.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:42:02,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:42:02,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:42:02,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:42:02,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:42:02,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:42:02,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:42:02,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:42:02,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:42:02,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:42:02,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:42:02,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:42:02,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:42:02,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:42:02,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:42:02,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:42:02,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:42:03,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:42:03,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:42:03,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:42:03,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:42:03,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:42:03,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:42:03,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:42:03,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:42:03,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:42:03,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:42:03,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:42:03,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:42:03,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:42:03,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:42:03,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:42:03,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:42:03,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:42:03,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:42:03,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:42:03,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:42:03,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:42:03,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:42:03,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:42:03,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:42:03,021 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 11:42:03,035 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:42:03,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:42:03,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:42:03,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:42:03,037 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:42:03,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:42:03,038 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:42:03,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:42:03,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:42:03,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:42:03,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:42:03,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:42:03,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:42:03,039 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:42:03,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:42:03,040 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:42:03,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:42:03,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:42:03,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:42:03,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:42:03,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:42:03,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:42:03,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:42:03,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:42:03,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:42:03,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:42:03,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:42:03,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:42:03,042 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:42:03,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:42:03,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:42:03,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:42:03,364 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:42:03,365 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:42:03,365 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:42:03,366 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float13.c [2020-07-17 11:42:03,428 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1410538c3/40760e289dbc46ac800b461a65c64f45/FLAG70d7d1466 [2020-07-17 11:42:03,881 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:42:03,881 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c [2020-07-17 11:42:03,887 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1410538c3/40760e289dbc46ac800b461a65c64f45/FLAG70d7d1466 [2020-07-17 11:42:04,245 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1410538c3/40760e289dbc46ac800b461a65c64f45 [2020-07-17 11:42:04,254 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:42:04,257 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:42:04,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:42:04,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:42:04,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:42:04,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:42:04" (1/1) ... [2020-07-17 11:42:04,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38bf1c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:42:04, skipping insertion in model container [2020-07-17 11:42:04,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:42:04" (1/1) ... [2020-07-17 11:42:04,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:42:04,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:42:04,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:42:04,481 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:42:04,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:42:04,516 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:42:04,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:42:04 WrapperNode [2020-07-17 11:42:04,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:42:04,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:42:04,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:42:04,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:42:04,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:42:04" (1/1) ... [2020-07-17 11:42:04,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:42:04" (1/1) ... [2020-07-17 11:42:04,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:42:04" (1/1) ... [2020-07-17 11:42:04,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:42:04" (1/1) ... [2020-07-17 11:42:04,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:42:04" (1/1) ... [2020-07-17 11:42:04,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:42:04" (1/1) ... [2020-07-17 11:42:04,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:42:04" (1/1) ... [2020-07-17 11:42:04,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:42:04,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:42:04,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:42:04,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:42:04,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:42:04" (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 11:42:04,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:42:04,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:42:04,699 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:42:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:42:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:42:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:42:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:42:04,920 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:42:04,921 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 11:42:04,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:42:04 BoogieIcfgContainer [2020-07-17 11:42:04,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:42:04,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:42:04,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:42:04,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:42:04,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:42:04" (1/3) ... [2020-07-17 11:42:04,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1937955a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:42:04, skipping insertion in model container [2020-07-17 11:42:04,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:42:04" (2/3) ... [2020-07-17 11:42:04,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1937955a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:42:04, skipping insertion in model container [2020-07-17 11:42:04,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:42:04" (3/3) ... [2020-07-17 11:42:04,934 INFO L109 eAbstractionObserver]: Analyzing ICFG float13.c [2020-07-17 11:42:04,944 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:42:04,952 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-07-17 11:42:04,981 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-07-17 11:42:05,042 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:42:05,042 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:42:05,043 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:42:05,043 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:42:05,043 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:42:05,043 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:42:05,043 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:42:05,043 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:42:05,073 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2020-07-17 11:42:05,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-17 11:42:05,079 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:42:05,080 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:42:05,081 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]=== [2020-07-17 11:42:05,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:42:05,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1459462506, now seen corresponding path program 1 times [2020-07-17 11:42:05,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:42:05,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297262517] [2020-07-17 11:42:05,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:42:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 11:42:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 11:42:05,214 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 11:42:05,215 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 11:42:05,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:42:05,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:42:05 BoogieIcfgContainer [2020-07-17 11:42:05,245 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:42:05,249 INFO L168 Benchmark]: Toolchain (without parser) took 990.73 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 103.3 MB in the beginning and 154.4 MB in the end (delta: -51.1 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2020-07-17 11:42:05,251 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 11:42:05,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.43 ms. Allocated memory is still 140.0 MB. Free memory was 102.9 MB in the beginning and 93.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-07-17 11:42:05,255 INFO L168 Benchmark]: Boogie Preprocessor took 34.74 ms. Allocated memory is still 140.0 MB. Free memory was 93.0 MB in the beginning and 91.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2020-07-17 11:42:05,257 INFO L168 Benchmark]: RCFGBuilder took 373.44 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 91.4 MB in the beginning and 166.9 MB in the end (delta: -75.6 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2020-07-17 11:42:05,258 INFO L168 Benchmark]: TraceAbstraction took 317.99 ms. Allocated memory is still 202.4 MB. Free memory was 166.9 MB in the beginning and 154.4 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-07-17 11:42:05,270 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 140.0 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 258.43 ms. Allocated memory is still 140.0 MB. Free memory was 102.9 MB in the beginning and 93.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.74 ms. Allocated memory is still 140.0 MB. Free memory was 93.0 MB in the beginning and 91.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 373.44 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 91.4 MB in the beginning and 166.9 MB in the end (delta: -75.6 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 317.99 ms. Allocated memory is still 202.4 MB. Free memory was 166.9 MB in the beginning and 154.4 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 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 3. 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); VAL [\old(minus_infinity)=4, \old(NaN)=2, \old(plus_infinity)=3] [L9] _Bool temp; [L12] temp = NaN < plus_infinity VAL [temp=1] [L13] COND TRUE !(!temp) VAL [temp=1] [L13] __VERIFIER_error() VAL [temp=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 42 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=42occurred 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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...