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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/float-benchs/addsub_float_inexact.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 01:30:29,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 01:30:29,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 01:30:29,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 01:30:29,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 01:30:29,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 01:30:29,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 01:30:29,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 01:30:29,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 01:30:29,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 01:30:29,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 01:30:29,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 01:30:29,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 01:30:29,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 01:30:29,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 01:30:29,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 01:30:29,956 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 01:30:29,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 01:30:29,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 01:30:29,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 01:30:29,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 01:30:29,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 01:30:29,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 01:30:29,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 01:30:29,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 01:30:29,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 01:30:29,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 01:30:29,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 01:30:29,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 01:30:29,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 01:30:29,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 01:30:29,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 01:30:29,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 01:30:29,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 01:30:29,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 01:30:29,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 01:30:29,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 01:30:29,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 01:30:29,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 01:30:29,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 01:30:29,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 01:30:29,983 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 01:30:30,001 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 01:30:30,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 01:30:30,001 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 01:30:30,002 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 01:30:30,003 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 01:30:30,003 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 01:30:30,003 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 01:30:30,003 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 01:30:30,004 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 01:30:30,004 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 01:30:30,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 01:30:30,005 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 01:30:30,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 01:30:30,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 01:30:30,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 01:30:30,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 01:30:30,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 01:30:30,006 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 01:30:30,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 01:30:30,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 01:30:30,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 01:30:30,007 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 01:30:30,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 01:30:30,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 01:30:30,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 01:30:30,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 01:30:30,008 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 01:30:30,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 01:30:30,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 01:30:30,009 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 01:30:30,042 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 01:30:30,057 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 01:30:30,062 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 01:30:30,065 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 01:30:30,066 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 01:30:30,066 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/addsub_float_inexact.c [2019-09-10 01:30:30,157 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e023a58a/46c9db01d9f24b73a4fc3cba9e0b6499/FLAGce01dffa6 [2019-09-10 01:30:30,667 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 01:30:30,668 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/addsub_float_inexact.c [2019-09-10 01:30:30,675 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e023a58a/46c9db01d9f24b73a4fc3cba9e0b6499/FLAGce01dffa6 [2019-09-10 01:30:31,027 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e023a58a/46c9db01d9f24b73a4fc3cba9e0b6499 [2019-09-10 01:30:31,038 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 01:30:31,040 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 01:30:31,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 01:30:31,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 01:30:31,045 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 01:30:31,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:30:31" (1/1) ... [2019-09-10 01:30:31,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@625b54e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:31, skipping insertion in model container [2019-09-10 01:30:31,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:30:31" (1/1) ... [2019-09-10 01:30:31,059 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 01:30:31,078 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 01:30:31,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:30:31,262 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 01:30:31,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:30:31,409 INFO L192 MainTranslator]: Completed translation [2019-09-10 01:30:31,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:31 WrapperNode [2019-09-10 01:30:31,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 01:30:31,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 01:30:31,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 01:30:31,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 01:30:31,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:31" (1/1) ... [2019-09-10 01:30:31,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:31" (1/1) ... [2019-09-10 01:30:31,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:31" (1/1) ... [2019-09-10 01:30:31,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:31" (1/1) ... [2019-09-10 01:30:31,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:31" (1/1) ... [2019-09-10 01:30:31,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:31" (1/1) ... [2019-09-10 01:30:31,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:31" (1/1) ... [2019-09-10 01:30:31,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 01:30:31,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 01:30:31,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 01:30:31,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 01:30:31,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:31" (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 [2019-09-10 01:30:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 01:30:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 01:30:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-10 01:30:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 01:30:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 01:30:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-10 01:30:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 01:30:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 01:30:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 01:30:31,653 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 01:30:31,654 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 01:30:31,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:30:31 BoogieIcfgContainer [2019-09-10 01:30:31,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 01:30:31,656 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 01:30:31,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 01:30:31,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 01:30:31,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 01:30:31" (1/3) ... [2019-09-10 01:30:31,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ef55fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:30:31, skipping insertion in model container [2019-09-10 01:30:31,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:31" (2/3) ... [2019-09-10 01:30:31,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ef55fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:30:31, skipping insertion in model container [2019-09-10 01:30:31,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:30:31" (3/3) ... [2019-09-10 01:30:31,663 INFO L109 eAbstractionObserver]: Analyzing ICFG addsub_float_inexact.c [2019-09-10 01:30:31,673 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 01:30:31,680 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 01:30:31,695 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 01:30:31,724 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 01:30:31,725 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 01:30:31,725 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 01:30:31,725 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 01:30:31,726 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 01:30:31,726 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 01:30:31,726 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 01:30:31,726 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 01:30:31,742 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-09-10 01:30:31,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-09-10 01:30:31,753 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 01:30:31,754 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 01:30:31,756 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 01:30:31,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:30:31,763 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2019-09-10 01:30:31,765 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 01:30:31,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:30:31,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:30:31,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:30:31,817 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 01:30:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 01:30:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 01:30:31,889 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-10 01:30:31,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 01:30:31 BoogieIcfgContainer [2019-09-10 01:30:31,914 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 01:30:31,918 INFO L168 Benchmark]: Toolchain (without parser) took 876.44 ms. Allocated memory was 141.6 MB in the beginning and 197.1 MB in the end (delta: 55.6 MB). Free memory was 89.1 MB in the beginning and 151.7 MB in the end (delta: -62.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 01:30:31,919 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 107.8 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 01:30:31,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.84 ms. Allocated memory was 141.6 MB in the beginning and 197.1 MB in the end (delta: 55.6 MB). Free memory was 88.9 MB in the beginning and 176.0 MB in the end (delta: -87.1 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. [2019-09-10 01:30:31,921 INFO L168 Benchmark]: Boogie Preprocessor took 32.13 ms. Allocated memory is still 197.1 MB. Free memory was 176.0 MB in the beginning and 174.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-09-10 01:30:31,922 INFO L168 Benchmark]: RCFGBuilder took 212.08 ms. Allocated memory is still 197.1 MB. Free memory was 174.3 MB in the beginning and 164.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-10 01:30:31,923 INFO L168 Benchmark]: TraceAbstraction took 258.55 ms. Allocated memory is still 197.1 MB. Free memory was 163.8 MB in the beginning and 151.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-09-10 01:30:31,928 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 107.8 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 368.84 ms. Allocated memory was 141.6 MB in the beginning and 197.1 MB in the end (delta: 55.6 MB). Free memory was 88.9 MB in the beginning and 176.0 MB in the end (delta: -87.1 MB). Peak memory consumption was 19.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.13 ms. Allocated memory is still 197.1 MB. Free memory was 176.0 MB in the beginning and 174.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 212.08 ms. Allocated memory is still 197.1 MB. Free memory was 174.3 MB in the beginning and 164.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 258.55 ms. Allocated memory is still 197.1 MB. Free memory was 163.8 MB in the beginning and 151.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L8] float x, y, z, r; [L10] x = 1e8f [L11] y = x + 1.f [L12] z = x - 1.f [L13] r = y - z VAL [r=2, x=100000000, y=100000001, z=99999999] [L14] CALL __VERIFIER_assert(r == 0.f) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...