java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/float-benchs/zonotope_3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:04:44,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:04:44,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:04:44,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:04:44,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:04:44,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:04:44,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:04:44,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:04:44,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:04:44,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:04:44,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:04:44,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:04:44,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:04:44,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:04:44,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:04:44,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:04:44,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:04:44,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:04:44,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:04:44,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:04:44,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:04:44,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:04:44,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:04:44,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:04:44,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 16:04:44,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 16:04:44,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 16:04:44,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 16:04:44,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 16:04:44,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 16:04:44,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:04:44,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:04:44,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:04:44,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:04:44,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:04:44,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:04:44,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:04:44,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:04:44,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:04:44,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:04:44,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:04:44,234 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 [2019-09-11 16:04:44,249 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:04:44,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:04:44,250 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:04:44,250 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:04:44,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:04:44,251 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:04:44,251 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:04:44,251 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:04:44,251 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:04:44,251 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:04:44,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:04:44,252 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:04:44,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:04:44,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:04:44,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:04:44,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:04:44,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:04:44,253 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:04:44,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:04:44,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:04:44,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:04:44,254 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:04:44,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:04:44,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:04:44,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:04:44,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:04:44,255 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:04:44,256 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:04:44,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:04:44,256 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:04:44,300 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:04:44,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:04:44,326 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:04:44,330 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:04:44,331 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:04:44,331 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/zonotope_3.c [2019-09-11 16:04:44,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c7eaefa8/c6cafd8c4ffc4afc93b59176795381f8/FLAGec7ef2ffc [2019-09-11 16:04:44,884 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:04:44,885 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/zonotope_3.c [2019-09-11 16:04:44,892 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c7eaefa8/c6cafd8c4ffc4afc93b59176795381f8/FLAGec7ef2ffc [2019-09-11 16:04:45,229 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c7eaefa8/c6cafd8c4ffc4afc93b59176795381f8 [2019-09-11 16:04:45,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:04:45,240 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:04:45,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:04:45,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:04:45,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:04:45,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:04:45" (1/1) ... [2019-09-11 16:04:45,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@427c24f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:45, skipping insertion in model container [2019-09-11 16:04:45,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:04:45" (1/1) ... [2019-09-11 16:04:45,257 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:04:45,274 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:04:45,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:04:45,469 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:04:45,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:04:45,504 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:04:45,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:45 WrapperNode [2019-09-11 16:04:45,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:04:45,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:04:45,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:04:45,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:04:45,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:45" (1/1) ... [2019-09-11 16:04:45,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:45" (1/1) ... [2019-09-11 16:04:45,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:45" (1/1) ... [2019-09-11 16:04:45,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:45" (1/1) ... [2019-09-11 16:04:45,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:45" (1/1) ... [2019-09-11 16:04:45,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:45" (1/1) ... [2019-09-11 16:04:45,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:45" (1/1) ... [2019-09-11 16:04:45,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:04:45,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:04:45,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:04:45,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:04:45,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:45" (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 [2019-09-11 16:04:45,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:04:45,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:04:45,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-11 16:04:45,691 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-11 16:04:45,691 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-09-11 16:04:45,692 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-11 16:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 16:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-11 16:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-11 16:04:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-09-11 16:04:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:04:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:04:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:04:45,914 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:04:45,915 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 16:04:45,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:04:45 BoogieIcfgContainer [2019-09-11 16:04:45,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:04:45,928 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:04:45,928 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:04:45,928 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:04:45,932 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:04:45" (1/1) ... [2019-09-11 16:04:45,978 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:04:46,077 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPLT has no precise implementation. [2019-09-11 16:04:46,079 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPGT has no precise implementation. [2019-09-11 16:04:46,403 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:04:46,458 INFO L272 AbstractInterpreter]: Visited 50 different actions 224 times. Merged at 10 different actions 67 times. Widened at 1 different actions 3 times. Performed 351 root evaluator evaluations with a maximum evaluation depth of 7. Performed 351 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 18 variables. [2019-09-11 16:04:46,458 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:04:46,462 INFO L168 Benchmark]: Toolchain (without parser) took 1220.99 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 88.0 MB in the beginning and 134.0 MB in the end (delta: -46.0 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:46,463 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:04:46,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.80 ms. Allocated memory is still 138.4 MB. Free memory was 87.8 MB in the beginning and 78.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:46,466 INFO L168 Benchmark]: Boogie Preprocessor took 129.63 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 78.3 MB in the beginning and 177.9 MB in the end (delta: -99.6 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:46,468 INFO L168 Benchmark]: RCFGBuilder took 292.35 ms. Allocated memory is still 200.8 MB. Free memory was 177.9 MB in the beginning and 164.0 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:46,469 INFO L168 Benchmark]: Abstract Interpretation took 530.69 ms. Allocated memory is still 200.8 MB. Free memory was 164.0 MB in the beginning and 134.0 MB in the end (delta: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:46,476 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 263.80 ms. Allocated memory is still 138.4 MB. Free memory was 87.8 MB in the beginning and 78.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.63 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 78.3 MB in the beginning and 177.9 MB in the end (delta: -99.6 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 292.35 ms. Allocated memory is still 200.8 MB. Free memory was 177.9 MB in the beginning and 164.0 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 530.69 ms. Allocated memory is still 200.8 MB. Free memory was 164.0 MB in the beginning and 134.0 MB in the end (delta: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L24] int i; [L25] float x,y,z,t,u,v; [L26] CALL, EXPR f(0.f) [L14] return 2.f * x - 3.f; [L26] RET, EXPR f(0.f) [L26] y = f(0.f) [L27] CALL, EXPR g(0.f) [L19] return -x + 5.f; [L27] RET, EXPR g(0.f) [L27] z = g(0.f) [L28] CALL, EXPR f(.75f) [L14] return 2.f * x - 3.f; [L28] RET, EXPR f(.75f) [L28] u = f(.75f) [L29] CALL, EXPR g(.25f) [L19] return -x + 5.f; [L29] RET, EXPR g(.25f) [L29] v = g(.25f) [L31] i = 1 [L31] COND TRUE i <= 100000 [L33] x = __VERIFIER_nondet_float() [L36] CALL, EXPR f(x) [L14] return 2.f * x - 3.f; [L36] RET, EXPR f(x) [L36] y = f(x) [L37] CALL, EXPR g(x) [L19] return -x + 5.f; [L37] RET, EXPR g(x) [L37] z = g(x) [L38] CALL, EXPR f(v) [L14] return 2.f * x - 3.f; [L38] RET, EXPR f(v) [L38] u = f(v) [L39] CALL, EXPR g(u) [L19] return -x + 5.f; [L39] RET, EXPR g(u) [L39] v = g(u) / 2.f [L31] i++ [L31] COND TRUE i <= 100000 [L33] x = __VERIFIER_nondet_float() [L36] CALL, EXPR f(x) [L14] return 2.f * x - 3.f; [L36] RET, EXPR f(x) [L36] y = f(x) [L37] CALL, EXPR g(x) [L19] return -x + 5.f; [L37] RET, EXPR g(x) [L37] z = g(x) [L38] CALL, EXPR f(v) [L14] return 2.f * x - 3.f; [L38] RET, EXPR f(v) [L38] u = f(v) [L39] CALL, EXPR g(u) [L19] return -x + 5.f; [L39] RET, EXPR g(u) [L39] v = g(u) / 2.f [L31] i++ [L31] COND TRUE i <= 100000 [L33] x = __VERIFIER_nondet_float() [L36] CALL, EXPR f(x) [L14] return 2.f * x - 3.f; [L36] RET, EXPR f(x) [L36] y = f(x) [L37] CALL, EXPR g(x) [L19] return -x + 5.f; [L37] RET, EXPR g(x) [L37] z = g(x) [L38] CALL, EXPR f(v) [L14] return 2.f * x - 3.f; [L38] RET, EXPR f(v) [L38] u = f(v) [L39] CALL, EXPR g(u) [L19] return -x + 5.f; [L39] RET, EXPR g(u) [L39] v = g(u) / 2.f [L31] i++ [L31] COND TRUE i <= 100000 [L33] x = __VERIFIER_nondet_float() [L36] CALL, EXPR f(x) [L14] return 2.f * x - 3.f; [L36] RET, EXPR f(x) [L36] y = f(x) [L37] CALL, EXPR g(x) [L19] return -x + 5.f; [L37] RET, EXPR g(x) [L37] z = g(x) [L38] CALL, EXPR f(v) [L14] return 2.f * x - 3.f; [L38] RET, EXPR f(v) [L38] u = f(v) [L39] CALL, EXPR g(u) [L19] return -x + 5.f; [L39] RET, EXPR g(u) [L39] v = g(u) / 2.f [L31] i++ [L31] COND TRUE i <= 100000 [L33] x = __VERIFIER_nondet_float() [L36] CALL, EXPR f(x) [L14] return 2.f * x - 3.f; [L36] RET, EXPR f(x) [L36] y = f(x) [L37] CALL, EXPR g(x) [L19] return -x + 5.f; [L37] RET, EXPR g(x) [L37] z = g(x) [L38] CALL, EXPR f(v) [L14] return 2.f * x - 3.f; [L38] RET, EXPR f(v) [L38] u = f(v) [L39] CALL, EXPR g(u) [L19] return -x + 5.f; [L39] RET, EXPR g(u) [L39] v = g(u) / 2.f [L31] i++ [L31] COND TRUE i <= 100000 [L33] x = __VERIFIER_nondet_float() [L36] CALL, EXPR f(x) [L14] return 2.f * x - 3.f; [L36] RET, EXPR f(x) [L36] y = f(x) [L37] CALL, EXPR g(x) [L19] return -x + 5.f; [L37] RET, EXPR g(x) [L37] z = g(x) [L38] CALL, EXPR f(v) [L14] return 2.f * x - 3.f; [L38] RET, EXPR f(v) [L38] u = f(v) [L39] CALL, EXPR g(u) [L19] return -x + 5.f; [L39] RET, EXPR g(u) [L39] v = g(u) / 2.f [L31] i++ [L31] COND TRUE i <= 100000 [L33] x = __VERIFIER_nondet_float() [L36] CALL, EXPR f(x) [L14] return 2.f * x - 3.f; [L36] RET, EXPR f(x) [L36] y = f(x) [L37] CALL, EXPR g(x) [L19] return -x + 5.f; [L37] RET, EXPR g(x) [L37] z = g(x) [L38] CALL, EXPR f(v) [L14] return 2.f * x - 3.f; [L38] RET, EXPR f(v) [L38] u = f(v) [L39] CALL, EXPR g(u) [L19] return -x + 5.f; [L39] RET, EXPR g(u) [L39] v = g(u) / 2.f [L31] i++ [L31] COND FALSE !(i <= 100000) [L42] t = y + 2.f * z [L43] CALL __VERIFIER_assert(t >= 6.9f && t <= 7.1f) [L10] COND TRUE !(cond) [L10] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...