/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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-newlib/double_req_bl_1092a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-11 00:32:39,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 00:32:39,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 00:32:39,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 00:32:39,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 00:32:39,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 00:32:39,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 00:32:39,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 00:32:39,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 00:32:39,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 00:32:39,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 00:32:39,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 00:32:39,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 00:32:39,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 00:32:39,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 00:32:39,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 00:32:39,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 00:32:39,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 00:32:39,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 00:32:39,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 00:32:39,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 00:32:39,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 00:32:39,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 00:32:39,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 00:32:39,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-11 00:32:39,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-11 00:32:39,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-11 00:32:39,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-11 00:32:39,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-11 00:32:39,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-11 00:32:39,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-11 00:32:39,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-11 00:32:39,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-11 00:32:39,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-11 00:32:39,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-11 00:32:39,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-11 00:32:39,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-11 00:32:39,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-11 00:32:39,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 00:32:39,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 00:32:39,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 00:32:39,293 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-11 00:32:39,321 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 00:32:39,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 00:32:39,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 00:32:39,323 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 00:32:39,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 00:32:39,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 00:32:39,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 00:32:39,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 00:32:39,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 00:32:39,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 00:32:39,328 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 00:32:39,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 00:32:39,328 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 00:32:39,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 00:32:39,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 00:32:39,331 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 00:32:39,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 00:32:39,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 00:32:39,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 00:32:39,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 00:32:39,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 00:32:39,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 00:32:39,332 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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 [2020-07-11 00:32:39,670 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 00:32:39,689 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 00:32:39,694 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 00:32:39,696 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 00:32:39,696 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 00:32:39,697 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1092a.c [2020-07-11 00:32:39,766 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ded3bcbcd/ee4a268c2ee34bda812e548ad4fe913f/FLAGd8a4f2232 [2020-07-11 00:32:40,272 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 00:32:40,273 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1092a.c [2020-07-11 00:32:40,280 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ded3bcbcd/ee4a268c2ee34bda812e548ad4fe913f/FLAGd8a4f2232 [2020-07-11 00:32:40,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ded3bcbcd/ee4a268c2ee34bda812e548ad4fe913f [2020-07-11 00:32:40,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 00:32:40,664 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 00:32:40,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 00:32:40,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 00:32:40,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 00:32:40,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:32:40" (1/1) ... [2020-07-11 00:32:40,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e3d0e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:40, skipping insertion in model container [2020-07-11 00:32:40,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:32:40" (1/1) ... [2020-07-11 00:32:40,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 00:32:40,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 00:32:40,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:32:41,004 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 00:32:41,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:32:41,171 INFO L208 MainTranslator]: Completed translation [2020-07-11 00:32:41,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:41 WrapperNode [2020-07-11 00:32:41,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 00:32:41,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 00:32:41,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 00:32:41,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 00:32:41,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:41" (1/1) ... [2020-07-11 00:32:41,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:41" (1/1) ... [2020-07-11 00:32:41,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:41" (1/1) ... [2020-07-11 00:32:41,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:41" (1/1) ... [2020-07-11 00:32:41,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:41" (1/1) ... [2020-07-11 00:32:41,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:41" (1/1) ... [2020-07-11 00:32:41,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:41" (1/1) ... [2020-07-11 00:32:41,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 00:32:41,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 00:32:41,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 00:32:41,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 00:32:41,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:41" (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 [2020-07-11 00:32:41,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 00:32:41,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 00:32:41,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-11 00:32:41,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_double [2020-07-11 00:32:41,308 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 00:32:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 00:32:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-11 00:32:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_double [2020-07-11 00:32:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-11 00:32:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-11 00:32:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-11 00:32:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-11 00:32:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-11 00:32:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-11 00:32:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 00:32:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 00:32:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 00:32:41,919 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 00:32:41,919 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-11 00:32:41,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:32:41 BoogieIcfgContainer [2020-07-11 00:32:41,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 00:32:41,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 00:32:41,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 00:32:41,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 00:32:41,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 12:32:40" (1/3) ... [2020-07-11 00:32:41,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11876f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:32:41, skipping insertion in model container [2020-07-11 00:32:41,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:41" (2/3) ... [2020-07-11 00:32:41,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11876f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:32:41, skipping insertion in model container [2020-07-11 00:32:41,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:32:41" (3/3) ... [2020-07-11 00:32:41,933 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2020-07-11 00:32:41,944 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 00:32:41,953 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-11 00:32:41,969 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-11 00:32:41,993 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 00:32:41,993 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 00:32:41,993 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 00:32:41,993 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 00:32:41,996 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 00:32:41,997 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 00:32:41,997 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 00:32:41,997 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 00:32:42,024 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states. [2020-07-11 00:32:42,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-11 00:32:42,041 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:32:42,042 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] [2020-07-11 00:32:42,043 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:32:42,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:32:42,051 INFO L82 PathProgramCache]: Analyzing trace with hash -270741431, now seen corresponding path program 1 times [2020-07-11 00:32:42,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:32:42,062 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [197532923] [2020-07-11 00:32:42,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:32:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:32:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:32:42,276 INFO L280 TraceCheckUtils]: 0: Hoare triple {116#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~huge_ceil~0 |old(~huge_ceil~0)|))} #NULL.base, #NULL.offset := 0, 0; {94#true} is VALID [2020-07-11 00:32:42,276 INFO L280 TraceCheckUtils]: 1: Hoare triple {94#true} #valid := #valid[0 := 0]; {94#true} is VALID [2020-07-11 00:32:42,277 INFO L280 TraceCheckUtils]: 2: Hoare triple {94#true} assume 0 < #StackHeapBarrier; {94#true} is VALID [2020-07-11 00:32:42,278 INFO L280 TraceCheckUtils]: 3: Hoare triple {94#true} ~huge_ceil~0 := 1.0E300; {94#true} is VALID [2020-07-11 00:32:42,278 INFO L280 TraceCheckUtils]: 4: Hoare triple {94#true} assume true; {94#true} is VALID [2020-07-11 00:32:42,279 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {94#true} {94#true} #177#return; {94#true} is VALID [2020-07-11 00:32:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:32:42,315 INFO L280 TraceCheckUtils]: 0: Hoare triple {117#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {94#true} is VALID [2020-07-11 00:32:42,316 INFO L280 TraceCheckUtils]: 1: Hoare triple {94#true} havoc ~i0~0; {94#true} is VALID [2020-07-11 00:32:42,316 INFO L280 TraceCheckUtils]: 2: Hoare triple {94#true} havoc ~i1~0; {94#true} is VALID [2020-07-11 00:32:42,317 INFO L280 TraceCheckUtils]: 3: Hoare triple {94#true} havoc ~j0~0; {94#true} is VALID [2020-07-11 00:32:42,317 INFO L280 TraceCheckUtils]: 4: Hoare triple {94#true} havoc ~i~0; {94#true} is VALID [2020-07-11 00:32:42,317 INFO L280 TraceCheckUtils]: 5: Hoare triple {94#true} havoc ~j~0; {94#true} is VALID [2020-07-11 00:32:42,319 INFO L280 TraceCheckUtils]: 6: Hoare triple {94#true} assume !true; {95#false} is VALID [2020-07-11 00:32:42,319 INFO L280 TraceCheckUtils]: 7: Hoare triple {95#false} ~j0~0 := ~bitwiseAnd(~i0~0 / 1048576, 2047) - 1023; {95#false} is VALID [2020-07-11 00:32:42,320 INFO L280 TraceCheckUtils]: 8: Hoare triple {95#false} assume !(~j0~0 < 20); {95#false} is VALID [2020-07-11 00:32:42,320 INFO L280 TraceCheckUtils]: 9: Hoare triple {95#false} assume ~j0~0 > 51; {95#false} is VALID [2020-07-11 00:32:42,321 INFO L280 TraceCheckUtils]: 10: Hoare triple {95#false} assume 1024 == ~j0~0; {95#false} is VALID [2020-07-11 00:32:42,321 INFO L280 TraceCheckUtils]: 11: Hoare triple {95#false} #res := ~someBinaryArithmeticDOUBLEoperation(~x, ~x); {95#false} is VALID [2020-07-11 00:32:42,322 INFO L280 TraceCheckUtils]: 12: Hoare triple {95#false} assume true; {95#false} is VALID [2020-07-11 00:32:42,322 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {95#false} {94#true} #181#return; {95#false} is VALID [2020-07-11 00:32:42,326 INFO L263 TraceCheckUtils]: 0: Hoare triple {94#true} call ULTIMATE.init(); {116#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~huge_ceil~0 |old(~huge_ceil~0)|))} is VALID [2020-07-11 00:32:42,326 INFO L280 TraceCheckUtils]: 1: Hoare triple {116#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~huge_ceil~0 |old(~huge_ceil~0)|))} #NULL.base, #NULL.offset := 0, 0; {94#true} is VALID [2020-07-11 00:32:42,326 INFO L280 TraceCheckUtils]: 2: Hoare triple {94#true} #valid := #valid[0 := 0]; {94#true} is VALID [2020-07-11 00:32:42,327 INFO L280 TraceCheckUtils]: 3: Hoare triple {94#true} assume 0 < #StackHeapBarrier; {94#true} is VALID [2020-07-11 00:32:42,327 INFO L280 TraceCheckUtils]: 4: Hoare triple {94#true} ~huge_ceil~0 := 1.0E300; {94#true} is VALID [2020-07-11 00:32:42,327 INFO L280 TraceCheckUtils]: 5: Hoare triple {94#true} assume true; {94#true} is VALID [2020-07-11 00:32:42,328 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {94#true} {94#true} #177#return; {94#true} is VALID [2020-07-11 00:32:42,328 INFO L263 TraceCheckUtils]: 7: Hoare triple {94#true} call #t~ret7 := main(); {94#true} is VALID [2020-07-11 00:32:42,328 INFO L280 TraceCheckUtils]: 8: Hoare triple {94#true} ~x~0 := ~someUnaryDOUBLEoperation(0.0); {94#true} is VALID [2020-07-11 00:32:42,331 INFO L263 TraceCheckUtils]: 9: Hoare triple {94#true} call #t~ret6 := ceil_double(~x~0); {117#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-11 00:32:42,331 INFO L280 TraceCheckUtils]: 10: Hoare triple {117#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {94#true} is VALID [2020-07-11 00:32:42,331 INFO L280 TraceCheckUtils]: 11: Hoare triple {94#true} havoc ~i0~0; {94#true} is VALID [2020-07-11 00:32:42,332 INFO L280 TraceCheckUtils]: 12: Hoare triple {94#true} havoc ~i1~0; {94#true} is VALID [2020-07-11 00:32:42,332 INFO L280 TraceCheckUtils]: 13: Hoare triple {94#true} havoc ~j0~0; {94#true} is VALID [2020-07-11 00:32:42,332 INFO L280 TraceCheckUtils]: 14: Hoare triple {94#true} havoc ~i~0; {94#true} is VALID [2020-07-11 00:32:42,333 INFO L280 TraceCheckUtils]: 15: Hoare triple {94#true} havoc ~j~0; {94#true} is VALID [2020-07-11 00:32:42,334 INFO L280 TraceCheckUtils]: 16: Hoare triple {94#true} assume !true; {95#false} is VALID [2020-07-11 00:32:42,334 INFO L280 TraceCheckUtils]: 17: Hoare triple {95#false} ~j0~0 := ~bitwiseAnd(~i0~0 / 1048576, 2047) - 1023; {95#false} is VALID [2020-07-11 00:32:42,335 INFO L280 TraceCheckUtils]: 18: Hoare triple {95#false} assume !(~j0~0 < 20); {95#false} is VALID [2020-07-11 00:32:42,335 INFO L280 TraceCheckUtils]: 19: Hoare triple {95#false} assume ~j0~0 > 51; {95#false} is VALID [2020-07-11 00:32:42,335 INFO L280 TraceCheckUtils]: 20: Hoare triple {95#false} assume 1024 == ~j0~0; {95#false} is VALID [2020-07-11 00:32:42,336 INFO L280 TraceCheckUtils]: 21: Hoare triple {95#false} #res := ~someBinaryArithmeticDOUBLEoperation(~x, ~x); {95#false} is VALID [2020-07-11 00:32:42,336 INFO L280 TraceCheckUtils]: 22: Hoare triple {95#false} assume true; {95#false} is VALID [2020-07-11 00:32:42,336 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {95#false} {94#true} #181#return; {95#false} is VALID [2020-07-11 00:32:42,337 INFO L280 TraceCheckUtils]: 24: Hoare triple {95#false} ~res~0 := #t~ret6; {95#false} is VALID [2020-07-11 00:32:42,337 INFO L280 TraceCheckUtils]: 25: Hoare triple {95#false} havoc #t~ret6; {95#false} is VALID [2020-07-11 00:32:42,338 INFO L280 TraceCheckUtils]: 26: Hoare triple {95#false} assume ~someBinaryDOUBLEComparisonOperation(~res~0, ~x~0); {95#false} is VALID [2020-07-11 00:32:42,338 INFO L280 TraceCheckUtils]: 27: Hoare triple {95#false} assume !false; {95#false} is VALID [2020-07-11 00:32:42,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 00:32:42,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [197532923] [2020-07-11 00:32:42,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:32:42,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-11 00:32:42,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582749248] [2020-07-11 00:32:42,355 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-07-11 00:32:42,358 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:32:42,362 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-11 00:32:42,418 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:32:42,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-11 00:32:42,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:32:42,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-11 00:32:42,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-11 00:32:42,432 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 4 states. [2020-07-11 00:32:43,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:32:43,099 INFO L93 Difference]: Finished difference Result 165 states and 203 transitions. [2020-07-11 00:32:43,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-11 00:32:43,100 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-07-11 00:32:43,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:32:43,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 00:32:43,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 203 transitions. [2020-07-11 00:32:43,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 00:32:43,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 203 transitions. [2020-07-11 00:32:43,126 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 203 transitions. [2020-07-11 00:32:43,381 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 203 edges. 203 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:32:43,399 INFO L225 Difference]: With dead ends: 165 [2020-07-11 00:32:43,399 INFO L226 Difference]: Without dead ends: 85 [2020-07-11 00:32:43,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-11 00:32:43,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-07-11 00:32:43,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-07-11 00:32:43,528 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:32:43,529 INFO L82 GeneralOperation]: Start isEquivalent. First operand 85 states. Second operand 85 states. [2020-07-11 00:32:43,530 INFO L74 IsIncluded]: Start isIncluded. First operand 85 states. Second operand 85 states. [2020-07-11 00:32:43,530 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 85 states. [2020-07-11 00:32:43,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:32:43,537 INFO L93 Difference]: Finished difference Result 85 states and 99 transitions. [2020-07-11 00:32:43,538 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2020-07-11 00:32:43,539 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:32:43,539 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:32:43,540 INFO L74 IsIncluded]: Start isIncluded. First operand 85 states. Second operand 85 states. [2020-07-11 00:32:43,540 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 85 states. [2020-07-11 00:32:43,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:32:43,547 INFO L93 Difference]: Finished difference Result 85 states and 99 transitions. [2020-07-11 00:32:43,547 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2020-07-11 00:32:43,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:32:43,549 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:32:43,549 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:32:43,549 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:32:43,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-07-11 00:32:43,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 99 transitions. [2020-07-11 00:32:43,556 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 99 transitions. Word has length 28 [2020-07-11 00:32:43,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:32:43,557 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 99 transitions. [2020-07-11 00:32:43,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-11 00:32:43,557 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 85 states and 99 transitions. [2020-07-11 00:32:43,669 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:32:43,670 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2020-07-11 00:32:43,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-07-11 00:32:43,672 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:32:43,672 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] [2020-07-11 00:32:43,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 00:32:43,673 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:32:43,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:32:43,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1616691539, now seen corresponding path program 1 times [2020-07-11 00:32:43,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:32:43,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [544519422] [2020-07-11 00:32:43,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:32:43,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-11 00:32:43,786 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.generateLinVar(LinArSolve.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.createEquality(LinArSolve.java:1974) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:83) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createAtom(EqualityProxy.java:165) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.getLiteral(EqualityProxy.java:186) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createCCEquality(EqualityProxy.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.mbtc(LinArSolve.java:1891) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.computeConflictClause(LinArSolve.java:664) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.checkConsistency(DPLLEngine.java:1012) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1159) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol$CheckType$1.check(SMTInterpol.java:117) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSatAssuming(SMTInterpol.java:494) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSat(SMTInterpol.java:446) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:214) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:96) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-11 00:32:43,793 INFO L168 Benchmark]: Toolchain (without parser) took 3128.33 ms. Allocated memory was 146.3 MB in the beginning and 243.8 MB in the end (delta: 97.5 MB). Free memory was 103.6 MB in the beginning and 177.6 MB in the end (delta: -74.0 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-07-11 00:32:43,795 INFO L168 Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 146.3 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-11 00:32:43,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 507.77 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 103.4 MB in the beginning and 179.7 MB in the end (delta: -76.3 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. [2020-07-11 00:32:43,798 INFO L168 Benchmark]: Boogie Preprocessor took 71.68 ms. Allocated memory is still 202.9 MB. Free memory was 179.7 MB in the beginning and 177.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-07-11 00:32:43,800 INFO L168 Benchmark]: RCFGBuilder took 680.02 ms. Allocated memory is still 202.9 MB. Free memory was 177.1 MB in the beginning and 135.3 MB in the end (delta: 41.8 MB). Peak memory consumption was 41.8 MB. Max. memory is 7.1 GB. [2020-07-11 00:32:43,801 INFO L168 Benchmark]: TraceAbstraction took 1863.69 ms. Allocated memory was 202.9 MB in the beginning and 243.8 MB in the end (delta: 40.9 MB). Free memory was 134.7 MB in the beginning and 177.6 MB in the end (delta: -43.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-11 00:32:43,817 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 ms. Allocated memory is still 146.3 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 507.77 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 103.4 MB in the beginning and 179.7 MB in the end (delta: -76.3 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.68 ms. Allocated memory is still 202.9 MB. Free memory was 179.7 MB in the beginning and 177.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 680.02 ms. Allocated memory is still 202.9 MB. Free memory was 177.1 MB in the beginning and 135.3 MB in the end (delta: 41.8 MB). Peak memory consumption was 41.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1863.69 ms. Allocated memory was 202.9 MB in the beginning and 243.8 MB in the end (delta: 40.9 MB). Free memory was 134.7 MB in the beginning and 177.6 MB in the end (delta: -43.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...