/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_1052c.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 04:38:39,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 04:38:39,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 04:38:39,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 04:38:39,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 04:38:39,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 04:38:39,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 04:38:39,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 04:38:39,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 04:38:39,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 04:38:39,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 04:38:39,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 04:38:39,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 04:38:39,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 04:38:39,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 04:38:39,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 04:38:39,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 04:38:39,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 04:38:39,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 04:38:39,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 04:38:39,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 04:38:39,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 04:38:39,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 04:38:39,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 04:38:39,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 04:38:39,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 04:38:39,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 04:38:39,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 04:38:39,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 04:38:39,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 04:38:39,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 04:38:39,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 04:38:39,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 04:38:39,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 04:38:39,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 04:38:39,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 04:38:39,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 04:38:39,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 04:38:39,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 04:38:39,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 04:38:39,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 04:38:39,928 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 04:38:39,937 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 04:38:39,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 04:38:39,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 04:38:39,939 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 04:38:39,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 04:38:39,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 04:38:39,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 04:38:39,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 04:38:39,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 04:38:39,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 04:38:39,940 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 04:38:39,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 04:38:39,940 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 04:38:39,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 04:38:39,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 04:38:39,941 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 04:38:39,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 04:38:39,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 04:38:39,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 04:38:39,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 04:38:39,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 04:38:39,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 04:38:39,943 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 [2020-07-18 04:38:40,248 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 04:38:40,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 04:38:40,262 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 04:38:40,264 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 04:38:40,264 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 04:38:40,265 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1052c.c [2020-07-18 04:38:40,340 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236c5da70/994c6eb85e134b708b895c77790b2b00/FLAG99a923829 [2020-07-18 04:38:40,796 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 04:38:40,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1052c.c [2020-07-18 04:38:40,806 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236c5da70/994c6eb85e134b708b895c77790b2b00/FLAG99a923829 [2020-07-18 04:38:41,147 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236c5da70/994c6eb85e134b708b895c77790b2b00 [2020-07-18 04:38:41,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 04:38:41,157 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 04:38:41,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 04:38:41,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 04:38:41,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 04:38:41,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:38:41" (1/1) ... [2020-07-18 04:38:41,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a43faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:41, skipping insertion in model container [2020-07-18 04:38:41,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:38:41" (1/1) ... [2020-07-18 04:38:41,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 04:38:41,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 04:38:41,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:38:41,410 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 04:38:41,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:38:41,562 INFO L208 MainTranslator]: Completed translation [2020-07-18 04:38:41,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:41 WrapperNode [2020-07-18 04:38:41,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 04:38:41,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 04:38:41,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 04:38:41,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 04:38:41,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:41" (1/1) ... [2020-07-18 04:38:41,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:41" (1/1) ... [2020-07-18 04:38:41,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:41" (1/1) ... [2020-07-18 04:38:41,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:41" (1/1) ... [2020-07-18 04:38:41,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:41" (1/1) ... [2020-07-18 04:38:41,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:41" (1/1) ... [2020-07-18 04:38:41,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:41" (1/1) ... [2020-07-18 04:38:41,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 04:38:41,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 04:38:41,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 04:38:41,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 04:38:41,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:41" (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 [2020-07-18 04:38:41,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 04:38:41,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 04:38:41,697 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2020-07-18 04:38:41,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2020-07-18 04:38:41,697 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 04:38:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 04:38:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2020-07-18 04:38:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 04:38:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-18 04:38:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 04:38:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 04:38:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 04:38:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-18 04:38:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2020-07-18 04:38:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 04:38:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 04:38:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 04:38:42,319 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 04:38:42,319 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-18 04:38:42,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:38:42 BoogieIcfgContainer [2020-07-18 04:38:42,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 04:38:42,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 04:38:42,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 04:38:42,330 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 04:38:42,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 04:38:41" (1/3) ... [2020-07-18 04:38:42,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354991e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:38:42, skipping insertion in model container [2020-07-18 04:38:42,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:41" (2/3) ... [2020-07-18 04:38:42,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354991e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:38:42, skipping insertion in model container [2020-07-18 04:38:42,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:38:42" (3/3) ... [2020-07-18 04:38:42,334 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052c.c [2020-07-18 04:38:42,345 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 04:38:42,354 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 04:38:42,369 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 04:38:42,392 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 04:38:42,392 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 04:38:42,393 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 04:38:42,393 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 04:38:42,394 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 04:38:42,394 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 04:38:42,395 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 04:38:42,395 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 04:38:42,413 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-07-18 04:38:42,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-18 04:38:42,427 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:38:42,429 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] [2020-07-18 04:38:42,429 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:38:42,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:38:42,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1852514461, now seen corresponding path program 1 times [2020-07-18 04:38:42,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:38:42,447 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1341829051] [2020-07-18 04:38:42,447 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:38:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:38:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:38:42,656 INFO L280 TraceCheckUtils]: 0: Hoare triple {140#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~huge_floor~0 |old(~huge_floor~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {118#true} is VALID [2020-07-18 04:38:42,657 INFO L280 TraceCheckUtils]: 1: Hoare triple {118#true} #valid := #valid[0 := 0]; {118#true} is VALID [2020-07-18 04:38:42,658 INFO L280 TraceCheckUtils]: 2: Hoare triple {118#true} assume 0 < #StackHeapBarrier; {118#true} is VALID [2020-07-18 04:38:42,659 INFO L280 TraceCheckUtils]: 3: Hoare triple {118#true} ~huge_floor~0 := 1.0E300; {118#true} is VALID [2020-07-18 04:38:42,659 INFO L280 TraceCheckUtils]: 4: Hoare triple {118#true} assume true; {118#true} is VALID [2020-07-18 04:38:42,660 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {118#true} {118#true} #212#return; {118#true} is VALID [2020-07-18 04:38:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:38:42,694 INFO L280 TraceCheckUtils]: 0: Hoare triple {141#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {118#true} is VALID [2020-07-18 04:38:42,695 INFO L280 TraceCheckUtils]: 1: Hoare triple {118#true} havoc ~i0~0; {118#true} is VALID [2020-07-18 04:38:42,695 INFO L280 TraceCheckUtils]: 2: Hoare triple {118#true} havoc ~i1~0; {118#true} is VALID [2020-07-18 04:38:42,695 INFO L280 TraceCheckUtils]: 3: Hoare triple {118#true} havoc ~j0~0; {118#true} is VALID [2020-07-18 04:38:42,696 INFO L280 TraceCheckUtils]: 4: Hoare triple {118#true} havoc ~i~0; {118#true} is VALID [2020-07-18 04:38:42,696 INFO L280 TraceCheckUtils]: 5: Hoare triple {118#true} havoc ~j~0; {118#true} is VALID [2020-07-18 04:38:42,697 INFO L280 TraceCheckUtils]: 6: Hoare triple {118#true} assume !true; {119#false} is VALID [2020-07-18 04:38:42,698 INFO L280 TraceCheckUtils]: 7: Hoare triple {119#false} ~j0~0 := ~bitwiseAnd(~i0~0 / 1048576, 2047) - 1023; {119#false} is VALID [2020-07-18 04:38:42,698 INFO L280 TraceCheckUtils]: 8: Hoare triple {119#false} assume !(~j0~0 < 20); {119#false} is VALID [2020-07-18 04:38:42,699 INFO L280 TraceCheckUtils]: 9: Hoare triple {119#false} assume ~j0~0 > 51; {119#false} is VALID [2020-07-18 04:38:42,699 INFO L280 TraceCheckUtils]: 10: Hoare triple {119#false} assume 1024 == ~j0~0; {119#false} is VALID [2020-07-18 04:38:42,699 INFO L280 TraceCheckUtils]: 11: Hoare triple {119#false} #res := ~someBinaryArithmeticDOUBLEoperation(~x, ~x); {119#false} is VALID [2020-07-18 04:38:42,700 INFO L280 TraceCheckUtils]: 12: Hoare triple {119#false} assume true; {119#false} is VALID [2020-07-18 04:38:42,700 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {119#false} {118#true} #216#return; {119#false} is VALID [2020-07-18 04:38:42,703 INFO L263 TraceCheckUtils]: 0: Hoare triple {118#true} call ULTIMATE.init(); {140#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~huge_floor~0 |old(~huge_floor~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 04:38:42,703 INFO L280 TraceCheckUtils]: 1: Hoare triple {140#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~huge_floor~0 |old(~huge_floor~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {118#true} is VALID [2020-07-18 04:38:42,704 INFO L280 TraceCheckUtils]: 2: Hoare triple {118#true} #valid := #valid[0 := 0]; {118#true} is VALID [2020-07-18 04:38:42,704 INFO L280 TraceCheckUtils]: 3: Hoare triple {118#true} assume 0 < #StackHeapBarrier; {118#true} is VALID [2020-07-18 04:38:42,705 INFO L280 TraceCheckUtils]: 4: Hoare triple {118#true} ~huge_floor~0 := 1.0E300; {118#true} is VALID [2020-07-18 04:38:42,705 INFO L280 TraceCheckUtils]: 5: Hoare triple {118#true} assume true; {118#true} is VALID [2020-07-18 04:38:42,705 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {118#true} {118#true} #212#return; {118#true} is VALID [2020-07-18 04:38:42,706 INFO L263 TraceCheckUtils]: 7: Hoare triple {118#true} call #t~ret11 := main(); {118#true} is VALID [2020-07-18 04:38:42,706 INFO L280 TraceCheckUtils]: 8: Hoare triple {118#true} ~x~0 := ~someUnaryDOUBLEoperation(0.0); {118#true} is VALID [2020-07-18 04:38:42,708 INFO L263 TraceCheckUtils]: 9: Hoare triple {118#true} call #t~ret8 := floor_double(~x~0); {141#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 04:38:42,709 INFO L280 TraceCheckUtils]: 10: Hoare triple {141#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {118#true} is VALID [2020-07-18 04:38:42,709 INFO L280 TraceCheckUtils]: 11: Hoare triple {118#true} havoc ~i0~0; {118#true} is VALID [2020-07-18 04:38:42,709 INFO L280 TraceCheckUtils]: 12: Hoare triple {118#true} havoc ~i1~0; {118#true} is VALID [2020-07-18 04:38:42,710 INFO L280 TraceCheckUtils]: 13: Hoare triple {118#true} havoc ~j0~0; {118#true} is VALID [2020-07-18 04:38:42,710 INFO L280 TraceCheckUtils]: 14: Hoare triple {118#true} havoc ~i~0; {118#true} is VALID [2020-07-18 04:38:42,710 INFO L280 TraceCheckUtils]: 15: Hoare triple {118#true} havoc ~j~0; {118#true} is VALID [2020-07-18 04:38:42,711 INFO L280 TraceCheckUtils]: 16: Hoare triple {118#true} assume !true; {119#false} is VALID [2020-07-18 04:38:42,712 INFO L280 TraceCheckUtils]: 17: Hoare triple {119#false} ~j0~0 := ~bitwiseAnd(~i0~0 / 1048576, 2047) - 1023; {119#false} is VALID [2020-07-18 04:38:42,712 INFO L280 TraceCheckUtils]: 18: Hoare triple {119#false} assume !(~j0~0 < 20); {119#false} is VALID [2020-07-18 04:38:42,712 INFO L280 TraceCheckUtils]: 19: Hoare triple {119#false} assume ~j0~0 > 51; {119#false} is VALID [2020-07-18 04:38:42,713 INFO L280 TraceCheckUtils]: 20: Hoare triple {119#false} assume 1024 == ~j0~0; {119#false} is VALID [2020-07-18 04:38:42,713 INFO L280 TraceCheckUtils]: 21: Hoare triple {119#false} #res := ~someBinaryArithmeticDOUBLEoperation(~x, ~x); {119#false} is VALID [2020-07-18 04:38:42,714 INFO L280 TraceCheckUtils]: 22: Hoare triple {119#false} assume true; {119#false} is VALID [2020-07-18 04:38:42,714 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {119#false} {118#true} #216#return; {119#false} is VALID [2020-07-18 04:38:42,714 INFO L280 TraceCheckUtils]: 24: Hoare triple {119#false} ~res~0 := #t~ret8; {119#false} is VALID [2020-07-18 04:38:42,715 INFO L280 TraceCheckUtils]: 25: Hoare triple {119#false} havoc #t~ret8; {119#false} is VALID [2020-07-18 04:38:42,715 INFO L280 TraceCheckUtils]: 26: Hoare triple {119#false} #t~short10 := ~someBinaryDOUBLEComparisonOperation(~res~0, ~someUnaryDOUBLEoperation(0.0)); {119#false} is VALID [2020-07-18 04:38:42,716 INFO L280 TraceCheckUtils]: 27: Hoare triple {119#false} assume !#t~short10; {119#false} is VALID [2020-07-18 04:38:42,716 INFO L280 TraceCheckUtils]: 28: Hoare triple {119#false} assume !#t~short10; {119#false} is VALID [2020-07-18 04:38:42,716 INFO L280 TraceCheckUtils]: 29: Hoare triple {119#false} havoc #t~ret9; {119#false} is VALID [2020-07-18 04:38:42,717 INFO L280 TraceCheckUtils]: 30: Hoare triple {119#false} havoc #t~short10; {119#false} is VALID [2020-07-18 04:38:42,717 INFO L280 TraceCheckUtils]: 31: Hoare triple {119#false} assume !false; {119#false} is VALID [2020-07-18 04:38:42,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 04:38:42,724 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1341829051] [2020-07-18 04:38:42,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 04:38:42,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-18 04:38:42,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407649804] [2020-07-18 04:38:42,734 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-07-18 04:38:42,737 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:38:42,744 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-18 04:38:42,807 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:38:42,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-18 04:38:42,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:38:42,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-18 04:38:42,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 04:38:42,817 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 4 states. [2020-07-18 04:38:43,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:38:43,624 INFO L93 Difference]: Finished difference Result 213 states and 258 transitions. [2020-07-18 04:38:43,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-18 04:38:43,625 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-07-18 04:38:43,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:38:43,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 04:38:43,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 258 transitions. [2020-07-18 04:38:43,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 04:38:43,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 258 transitions. [2020-07-18 04:38:43,651 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 258 transitions. [2020-07-18 04:38:43,985 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 258 edges. 258 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:38:44,004 INFO L225 Difference]: With dead ends: 213 [2020-07-18 04:38:44,004 INFO L226 Difference]: Without dead ends: 107 [2020-07-18 04:38:44,008 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 [2020-07-18 04:38:44,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-07-18 04:38:44,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-07-18 04:38:44,131 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:38:44,132 INFO L82 GeneralOperation]: Start isEquivalent. First operand 107 states. Second operand 107 states. [2020-07-18 04:38:44,132 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 107 states. [2020-07-18 04:38:44,133 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 107 states. [2020-07-18 04:38:44,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:38:44,142 INFO L93 Difference]: Finished difference Result 107 states and 122 transitions. [2020-07-18 04:38:44,142 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 122 transitions. [2020-07-18 04:38:44,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:38:44,144 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:38:44,144 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 107 states. [2020-07-18 04:38:44,144 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 107 states. [2020-07-18 04:38:44,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:38:44,153 INFO L93 Difference]: Finished difference Result 107 states and 122 transitions. [2020-07-18 04:38:44,153 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 122 transitions. [2020-07-18 04:38:44,154 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:38:44,154 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:38:44,155 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:38:44,155 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:38:44,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-07-18 04:38:44,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 122 transitions. [2020-07-18 04:38:44,163 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 122 transitions. Word has length 32 [2020-07-18 04:38:44,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:38:44,163 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 122 transitions. [2020-07-18 04:38:44,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-18 04:38:44,163 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 107 states and 122 transitions. [2020-07-18 04:38:44,300 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 122 edges. 122 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:38:44,300 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 122 transitions. [2020-07-18 04:38:44,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-18 04:38:44,303 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:38:44,303 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] [2020-07-18 04:38:44,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 04:38:44,303 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:38:44,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:38:44,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1065550425, now seen corresponding path program 1 times [2020-07-18 04:38:44,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:38:44,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1450116042] [2020-07-18 04:38:44,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:38:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 04:38:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 04:38:44,492 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 04:38:44,492 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.model.Model.map(Model.java:227) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.add(ModelBuilder.java:123) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.fillInFunctions(ModelBuilder.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.(ModelBuilder.java:49) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.CClosure.fillInModel(CClosure.java:1312) at de.uni_freiburg.informatik.ultimate.smtinterpol.model.Model.(Model.java:120) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.buildModel(SMTInterpol.java:1139) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getValue(SMTInterpol.java:1004) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getValue(WrapperScript.java:193) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getValue(WrapperScript.java:193) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.getValues(SmtUtils.java:2102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.getValue(TraceCheck.java:407) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.lambda$0(TraceCheck.java:381) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecution(TraceCheck.java:390) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecutionAndDecodeBranches(TraceCheck.java:349) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecutionAndDecodeBranches(TraceCheck.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:228) 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) [2020-07-18 04:38:44,499 INFO L168 Benchmark]: Toolchain (without parser) took 3341.48 ms. Allocated memory was 143.7 MB in the beginning and 252.2 MB in the end (delta: 108.5 MB). Free memory was 101.6 MB in the beginning and 148.1 MB in the end (delta: -46.5 MB). Peak memory consumption was 62.0 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:44,500 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 143.7 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 04:38:44,501 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.15 ms. Allocated memory was 143.7 MB in the beginning and 199.2 MB in the end (delta: 55.6 MB). Free memory was 101.4 MB in the beginning and 177.1 MB in the end (delta: -75.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:44,501 INFO L168 Benchmark]: Boogie Preprocessor took 61.74 ms. Allocated memory is still 199.2 MB. Free memory was 177.1 MB in the beginning and 174.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:44,502 INFO L168 Benchmark]: RCFGBuilder took 699.19 ms. Allocated memory is still 199.2 MB. Free memory was 174.3 MB in the beginning and 126.2 MB in the end (delta: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:44,503 INFO L168 Benchmark]: TraceAbstraction took 2169.25 ms. Allocated memory was 199.2 MB in the beginning and 252.2 MB in the end (delta: 53.0 MB). Free memory was 125.5 MB in the beginning and 148.1 MB in the end (delta: -22.6 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:44,508 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 0.19 ms. Allocated memory is still 143.7 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 405.15 ms. Allocated memory was 143.7 MB in the beginning and 199.2 MB in the end (delta: 55.6 MB). Free memory was 101.4 MB in the beginning and 177.1 MB in the end (delta: -75.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.74 ms. Allocated memory is still 199.2 MB. Free memory was 177.1 MB in the beginning and 174.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 699.19 ms. Allocated memory is still 199.2 MB. Free memory was 174.3 MB in the beginning and 126.2 MB in the end (delta: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2169.25 ms. Allocated memory was 199.2 MB in the beginning and 252.2 MB in the end (delta: 53.0 MB). Free memory was 125.5 MB in the beginning and 148.1 MB in the end (delta: -22.6 MB). Peak memory consumption was 30.3 MB. 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.model.Model.map(Model.java:227) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...