/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-benchs/cast_union_loose.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:43:07,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:43:07,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:43:07,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:43:07,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:43:07,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:43:07,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:43:07,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:43:07,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:43:07,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:43:07,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:43:07,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:43:07,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:43:07,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:43:07,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:43:07,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:43:07,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:43:07,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:43:07,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:43:07,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:43:07,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:43:07,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:43:07,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:43:07,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:43:07,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-07 04:43:07,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:43:07,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:43:07,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:43:07,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:43:07,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:43:07,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:43:07,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:43:07,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:43:07,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:43:07,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:43:07,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:43:07,249 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 04:43:07,261 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:43:07,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:43:07,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:43:07,264 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:43:07,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:43:07,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:43:07,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:43:07,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:43:07,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:43:07,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:43:07,265 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:43:07,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:43:07,266 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:43:07,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:43:07,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:43:07,266 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:43:07,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:43:07,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:43:07,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:43:07,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:43:07,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:43:07,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:43:07,268 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:43:07,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:43:07,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:43:07,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:43:07,678 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:43:07,679 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:43:07,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_union_loose.c [2020-11-07 04:43:07,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86225e944/20629a339b9a4257a2834ea1e3fcb23a/FLAG748672588 [2020-11-07 04:43:08,305 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:43:08,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_union_loose.c [2020-11-07 04:43:08,315 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86225e944/20629a339b9a4257a2834ea1e3fcb23a/FLAG748672588 [2020-11-07 04:43:08,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86225e944/20629a339b9a4257a2834ea1e3fcb23a [2020-11-07 04:43:08,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:43:08,653 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:43:08,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:43:08,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:43:08,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:43:08,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:43:08" (1/1) ... [2020-11-07 04:43:08,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eca4553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:08, skipping insertion in model container [2020-11-07 04:43:08,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:43:08" (1/1) ... [2020-11-07 04:43:08,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:43:08,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:43:08,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:43:08,895 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:43:08,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:43:08,938 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:43:08,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:08 WrapperNode [2020-11-07 04:43:08,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:43:08,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:43:08,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:43:08,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:43:08,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:08" (1/1) ... [2020-11-07 04:43:08,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:08" (1/1) ... [2020-11-07 04:43:09,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:08" (1/1) ... [2020-11-07 04:43:09,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:08" (1/1) ... [2020-11-07 04:43:09,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:08" (1/1) ... [2020-11-07 04:43:09,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:08" (1/1) ... [2020-11-07 04:43:09,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:08" (1/1) ... [2020-11-07 04:43:09,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:43:09,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:43:09,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:43:09,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:43:09,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:08" (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 [2020-11-07 04:43:09,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:43:09,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:43:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:43:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-07 04:43:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-07 04:43:09,165 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2020-11-07 04:43:09,165 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:43:09,165 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:43:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:43:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:43:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:43:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:43:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-07 04:43:09,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-07 04:43:09,167 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2020-11-07 04:43:09,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:43:09,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:43:09,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-07 04:43:09,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:43:09,170 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:43:09,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:43:09,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:43:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:43:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-07 04:43:09,619 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:43:09,620 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-07 04:43:09,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:43:09 BoogieIcfgContainer [2020-11-07 04:43:09,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:43:09,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:43:09,624 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:43:09,628 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:43:09,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:43:08" (1/3) ... [2020-11-07 04:43:09,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73519d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:43:09, skipping insertion in model container [2020-11-07 04:43:09,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:43:08" (2/3) ... [2020-11-07 04:43:09,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73519d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:43:09, skipping insertion in model container [2020-11-07 04:43:09,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:43:09" (3/3) ... [2020-11-07 04:43:09,631 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_union_loose.c [2020-11-07 04:43:09,647 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:43:09,651 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 04:43:09,665 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 04:43:09,691 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:43:09,691 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:43:09,691 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:43:09,692 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:43:09,692 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:43:09,692 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:43:09,692 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:43:09,692 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:43:09,711 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2020-11-07 04:43:09,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-07 04:43:09,725 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:43:09,726 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:43:09,727 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:43:09,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:43:09,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1970332400, now seen corresponding path program 1 times [2020-11-07 04:43:09,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:43:09,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [191723139] [2020-11-07 04:43:09,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:43:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:43:09,952 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:43:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:43:10,052 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:43:10,095 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-11-07 04:43:10,096 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-07 04:43:10,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:43:10,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:43:10 BoogieIcfgContainer [2020-11-07 04:43:10,183 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 04:43:10,188 INFO L168 Benchmark]: Toolchain (without parser) took 1537.23 ms. Allocated memory is still 161.5 MB. Free memory was 119.6 MB in the beginning and 107.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.7 MB. Max. memory is 8.0 GB. [2020-11-07 04:43:10,192 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 161.5 MB. Free memory was 136.0 MB in the beginning and 135.9 MB in the end (delta: 111.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 04:43:10,194 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.19 ms. Allocated memory is still 161.5 MB. Free memory was 146.1 MB in the beginning and 136.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-11-07 04:43:10,197 INFO L168 Benchmark]: Boogie Preprocessor took 123.02 ms. Allocated memory is still 161.5 MB. Free memory was 136.1 MB in the beginning and 144.8 MB in the end (delta: -8.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-07 04:43:10,199 INFO L168 Benchmark]: RCFGBuilder took 558.12 ms. Allocated memory is still 161.5 MB. Free memory was 144.5 MB in the beginning and 126.6 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2020-11-07 04:43:10,200 INFO L168 Benchmark]: TraceAbstraction took 559.14 ms. Allocated memory is still 161.5 MB. Free memory was 126.4 MB in the beginning and 107.1 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-11-07 04:43:10,211 INFO L339 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 161.5 MB. Free memory was 136.0 MB in the beginning and 135.9 MB in the end (delta: 111.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 271.19 ms. Allocated memory is still 161.5 MB. Free memory was 146.1 MB in the beginning and 136.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 123.02 ms. Allocated memory is still 161.5 MB. Free memory was 136.1 MB in the beginning and 144.8 MB in the end (delta: -8.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 558.12 ms. Allocated memory is still 161.5 MB. Free memory was 144.5 MB in the beginning and 126.6 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 559.14 ms. Allocated memory is still 161.5 MB. Free memory was 126.4 MB in the beginning and 107.1 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 39, overapproximation of bitwiseXor at line 26, overapproximation of someBinaryArithmeticDOUBLEoperation at line 27. Possible FailurePath: [L32] int a; [L33] double r; [L35] a = __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=10000, a=10000] [L36] CALL assume_abort_if_not(a >= -10000 && a <= 10000) VAL [\old(cond)=1] [L11] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L36] RET assume_abort_if_not(a >= -10000 && a <= 10000) VAL [a=10000] [L38] CALL, EXPR cast(a) VAL [\old(i)=10000] [L22] union u x, y; VAL [\old(i)=10000, i=10000, x={9:0}, y={3:0}] [L23] x.i[0] = 0x43300000 VAL [\old(i)=10000, i=10000, x={9:0}, y={3:0}] [L24] EXPR x.i[0] VAL [\old(i)=10000, i=10000, x={9:0}, x.i[0]=1127219200, y={3:0}] [L24] y.i[0] = x.i[0] VAL [\old(i)=10000, i=10000, x={9:0}, x.i[0]=1127219200, y={3:0}] [L25] x.i[1] = 0x80000000 VAL [\old(i)=10000, i=10000, x={9:0}, y={3:0}] [L26] EXPR x.i[1] VAL [\old(i)=10000, i=10000, x={9:0}, x.i[1]=-2147483648, y={3:0}] [L26] y.i[1] = i ^ x.i[1] VAL [\old(i)=10000, i=10000, x={9:0}, x.i[1]=-2147483648, y={3:0}] [L27] EXPR y.d VAL [\old(i)=10000, i=10000, x={9:0}, y={3:0}, y.d=1127219214] [L27] EXPR x.d VAL [\old(i)=10000, i=10000, x={9:0}, x.d=1127219208, y={3:0}, y.d=1127219214] [L27] return y.d - x.d; VAL [\old(i)=10000, i=10000, x={9:0}, x.d=1127219208, y={3:0}, y.d=1127219214] [L27] return y.d - x.d; VAL [\old(i)=10000, i=10000, y={3:0}] [L27] return y.d - x.d; VAL [\old(i)=10000, i=10000] [L38] RET, EXPR cast(a) VAL [a=10000, cast(a)=1127219204] [L38] r = cast(a) VAL [a=10000, cast(a)=1127219204, r=1127219204] [L39] CALL __VERIFIER_assert(r >= -10000. && r <= 10000.) VAL [\old(cond)=0] [L13] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L13] CALL reach_error() [L3] __assert_fail("0", "cast_union_loose.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, 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=64occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 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...