/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1092a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 18:35:36,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 18:35:36,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 18:35:36,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 18:35:36,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 18:35:36,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 18:35:36,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 18:35:36,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 18:35:36,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 18:35:36,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 18:35:36,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 18:35:36,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 18:35:36,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 18:35:36,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 18:35:36,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 18:35:36,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 18:35:36,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 18:35:36,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 18:35:36,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 18:35:36,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 18:35:36,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 18:35:36,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 18:35:36,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 18:35:36,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 18:35:36,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-10 18:35:36,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-10 18:35:36,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-10 18:35:36,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-10 18:35:36,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-10 18:35:36,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-10 18:35:36,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-10 18:35:36,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-10 18:35:36,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-10 18:35:36,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-10 18:35:36,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-10 18:35:36,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-10 18:35:36,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-10 18:35:36,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-10 18:35:36,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 18:35:36,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 18:35:36,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 18:35:36,084 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-10 18:35:36,094 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 18:35:36,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 18:35:36,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 18:35:36,096 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 18:35:36,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 18:35:36,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 18:35:36,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 18:35:36,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 18:35:36,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 18:35:36,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 18:35:36,097 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 18:35:36,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 18:35:36,097 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 18:35:36,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 18:35:36,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 18:35:36,098 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 18:35:36,098 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 18:35:36,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 18:35:36,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 18:35:36,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 18:35:36,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 18:35:36,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 18:35:36,100 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 18:35:36,376 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 18:35:36,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 18:35:36,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 18:35:36,397 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 18:35:36,397 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 18:35:36,398 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1092a.c [2020-07-10 18:35:36,469 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f745d13b2/adccf4b62f4e4cc9b96d7804c36d1341/FLAG06d90284e [2020-07-10 18:35:36,986 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 18:35:36,987 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1092a.c [2020-07-10 18:35:36,995 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f745d13b2/adccf4b62f4e4cc9b96d7804c36d1341/FLAG06d90284e [2020-07-10 18:35:37,313 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f745d13b2/adccf4b62f4e4cc9b96d7804c36d1341 [2020-07-10 18:35:37,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 18:35:37,323 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 18:35:37,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 18:35:37,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 18:35:37,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 18:35:37,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:35:37" (1/1) ... [2020-07-10 18:35:37,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41f0938a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:37, skipping insertion in model container [2020-07-10 18:35:37,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:35:37" (1/1) ... [2020-07-10 18:35:37,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 18:35:37,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 18:35:37,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:35:37,568 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 18:35:37,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:35:37,627 INFO L208 MainTranslator]: Completed translation [2020-07-10 18:35:37,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:37 WrapperNode [2020-07-10 18:35:37,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 18:35:37,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 18:35:37,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 18:35:37,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 18:35:37,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:37" (1/1) ... [2020-07-10 18:35:37,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:37" (1/1) ... [2020-07-10 18:35:37,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:37" (1/1) ... [2020-07-10 18:35:37,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:37" (1/1) ... [2020-07-10 18:35:37,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:37" (1/1) ... [2020-07-10 18:35:37,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:37" (1/1) ... [2020-07-10 18:35:37,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:37" (1/1) ... [2020-07-10 18:35:37,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 18:35:37,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 18:35:37,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 18:35:37,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 18:35:37,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:37" (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 [2020-07-10 18:35:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 18:35:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 18:35:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_float [2020-07-10 18:35:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2020-07-10 18:35:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 18:35:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 18:35:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_float [2020-07-10 18:35:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 18:35:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-10 18:35:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 18:35:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 18:35:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 18:35:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-10 18:35:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2020-07-10 18:35:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 18:35:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 18:35:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 18:35:38,421 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 18:35:38,421 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-10 18:35:38,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:35:38 BoogieIcfgContainer [2020-07-10 18:35:38,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 18:35:38,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 18:35:38,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 18:35:38,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 18:35:38,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 06:35:37" (1/3) ... [2020-07-10 18:35:38,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ccff79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:35:38, skipping insertion in model container [2020-07-10 18:35:38,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:35:37" (2/3) ... [2020-07-10 18:35:38,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ccff79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:35:38, skipping insertion in model container [2020-07-10 18:35:38,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:35:38" (3/3) ... [2020-07-10 18:35:38,443 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092a.c [2020-07-10 18:35:38,454 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 18:35:38,461 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 18:35:38,474 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 18:35:38,494 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 18:35:38,494 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 18:35:38,495 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 18:35:38,495 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 18:35:38,495 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 18:35:38,495 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 18:35:38,496 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 18:35:38,496 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 18:35:38,513 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2020-07-10 18:35:38,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-10 18:35:38,526 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:35:38,527 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] [2020-07-10 18:35:38,527 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:35:38,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:35:38,534 INFO L82 PathProgramCache]: Analyzing trace with hash 818160258, now seen corresponding path program 1 times [2020-07-10 18:35:38,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:35:38,542 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562940144] [2020-07-10 18:35:38,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:35:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:35:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:35:38,772 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; {95#true} is VALID [2020-07-10 18:35:38,773 INFO L280 TraceCheckUtils]: 1: Hoare triple {95#true} #valid := #valid[0 := 0]; {95#true} is VALID [2020-07-10 18:35:38,773 INFO L280 TraceCheckUtils]: 2: Hoare triple {95#true} assume 0 < #StackHeapBarrier; {95#true} is VALID [2020-07-10 18:35:38,774 INFO L280 TraceCheckUtils]: 3: Hoare triple {95#true} ~huge_ceil~0 := 1.0E30; {95#true} is VALID [2020-07-10 18:35:38,775 INFO L280 TraceCheckUtils]: 4: Hoare triple {95#true} assume true; {95#true} is VALID [2020-07-10 18:35:38,775 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {95#true} {95#true} #163#return; {95#true} is VALID [2020-07-10 18:35:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:35:38,809 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; {95#true} is VALID [2020-07-10 18:35:38,810 INFO L280 TraceCheckUtils]: 1: Hoare triple {95#true} havoc ~i0~0; {95#true} is VALID [2020-07-10 18:35:38,810 INFO L280 TraceCheckUtils]: 2: Hoare triple {95#true} havoc ~j0~0; {95#true} is VALID [2020-07-10 18:35:38,811 INFO L280 TraceCheckUtils]: 3: Hoare triple {95#true} havoc ~i~0; {95#true} is VALID [2020-07-10 18:35:38,811 INFO L280 TraceCheckUtils]: 4: Hoare triple {95#true} havoc ~ix~0; {95#true} is VALID [2020-07-10 18:35:38,812 INFO L280 TraceCheckUtils]: 5: Hoare triple {95#true} assume !true; {96#false} is VALID [2020-07-10 18:35:38,813 INFO L280 TraceCheckUtils]: 6: Hoare triple {96#false} ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); {96#false} is VALID [2020-07-10 18:35:38,813 INFO L280 TraceCheckUtils]: 7: Hoare triple {96#false} ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); {96#false} is VALID [2020-07-10 18:35:38,813 INFO L280 TraceCheckUtils]: 8: Hoare triple {96#false} assume !(~j0~0 < 23); {96#false} is VALID [2020-07-10 18:35:38,814 INFO L280 TraceCheckUtils]: 9: Hoare triple {96#false} assume !(~ix~0 % 4294967296 < 2139095040); {96#false} is VALID [2020-07-10 18:35:38,814 INFO L280 TraceCheckUtils]: 10: Hoare triple {96#false} #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); {96#false} is VALID [2020-07-10 18:35:38,815 INFO L280 TraceCheckUtils]: 11: Hoare triple {96#false} assume true; {96#false} is VALID [2020-07-10 18:35:38,815 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {96#false} {95#true} #167#return; {96#false} is VALID [2020-07-10 18:35:38,818 INFO L263 TraceCheckUtils]: 0: Hoare triple {95#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 [2020-07-10 18:35:38,818 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; {95#true} is VALID [2020-07-10 18:35:38,819 INFO L280 TraceCheckUtils]: 2: Hoare triple {95#true} #valid := #valid[0 := 0]; {95#true} is VALID [2020-07-10 18:35:38,819 INFO L280 TraceCheckUtils]: 3: Hoare triple {95#true} assume 0 < #StackHeapBarrier; {95#true} is VALID [2020-07-10 18:35:38,819 INFO L280 TraceCheckUtils]: 4: Hoare triple {95#true} ~huge_ceil~0 := 1.0E30; {95#true} is VALID [2020-07-10 18:35:38,820 INFO L280 TraceCheckUtils]: 5: Hoare triple {95#true} assume true; {95#true} is VALID [2020-07-10 18:35:38,820 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {95#true} {95#true} #163#return; {95#true} is VALID [2020-07-10 18:35:38,820 INFO L263 TraceCheckUtils]: 7: Hoare triple {95#true} call #t~ret9 := main(); {95#true} is VALID [2020-07-10 18:35:38,821 INFO L280 TraceCheckUtils]: 8: Hoare triple {95#true} ~x~0 := ~someUnaryFLOAToperation(0.0); {95#true} is VALID [2020-07-10 18:35:38,823 INFO L263 TraceCheckUtils]: 9: Hoare triple {95#true} call #t~ret6 := ceil_float(~x~0); {117#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 18:35:38,823 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; {95#true} is VALID [2020-07-10 18:35:38,824 INFO L280 TraceCheckUtils]: 11: Hoare triple {95#true} havoc ~i0~0; {95#true} is VALID [2020-07-10 18:35:38,824 INFO L280 TraceCheckUtils]: 12: Hoare triple {95#true} havoc ~j0~0; {95#true} is VALID [2020-07-10 18:35:38,825 INFO L280 TraceCheckUtils]: 13: Hoare triple {95#true} havoc ~i~0; {95#true} is VALID [2020-07-10 18:35:38,825 INFO L280 TraceCheckUtils]: 14: Hoare triple {95#true} havoc ~ix~0; {95#true} is VALID [2020-07-10 18:35:38,826 INFO L280 TraceCheckUtils]: 15: Hoare triple {95#true} assume !true; {96#false} is VALID [2020-07-10 18:35:38,826 INFO L280 TraceCheckUtils]: 16: Hoare triple {96#false} ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); {96#false} is VALID [2020-07-10 18:35:38,827 INFO L280 TraceCheckUtils]: 17: Hoare triple {96#false} ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); {96#false} is VALID [2020-07-10 18:35:38,827 INFO L280 TraceCheckUtils]: 18: Hoare triple {96#false} assume !(~j0~0 < 23); {96#false} is VALID [2020-07-10 18:35:38,828 INFO L280 TraceCheckUtils]: 19: Hoare triple {96#false} assume !(~ix~0 % 4294967296 < 2139095040); {96#false} is VALID [2020-07-10 18:35:38,828 INFO L280 TraceCheckUtils]: 20: Hoare triple {96#false} #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); {96#false} is VALID [2020-07-10 18:35:38,828 INFO L280 TraceCheckUtils]: 21: Hoare triple {96#false} assume true; {96#false} is VALID [2020-07-10 18:35:38,829 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {96#false} {95#true} #167#return; {96#false} is VALID [2020-07-10 18:35:38,829 INFO L280 TraceCheckUtils]: 23: Hoare triple {96#false} ~res~0 := #t~ret6; {96#false} is VALID [2020-07-10 18:35:38,829 INFO L280 TraceCheckUtils]: 24: Hoare triple {96#false} havoc #t~ret6; {96#false} is VALID [2020-07-10 18:35:38,830 INFO L280 TraceCheckUtils]: 25: Hoare triple {96#false} #t~short8 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); {96#false} is VALID [2020-07-10 18:35:38,830 INFO L280 TraceCheckUtils]: 26: Hoare triple {96#false} assume !#t~short8; {96#false} is VALID [2020-07-10 18:35:38,830 INFO L280 TraceCheckUtils]: 27: Hoare triple {96#false} assume !#t~short8; {96#false} is VALID [2020-07-10 18:35:38,831 INFO L280 TraceCheckUtils]: 28: Hoare triple {96#false} havoc #t~short8; {96#false} is VALID [2020-07-10 18:35:38,831 INFO L280 TraceCheckUtils]: 29: Hoare triple {96#false} havoc #t~ret7; {96#false} is VALID [2020-07-10 18:35:38,832 INFO L280 TraceCheckUtils]: 30: Hoare triple {96#false} assume !false; {96#false} is VALID [2020-07-10 18:35:38,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 18:35:38,836 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 18:35:38,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562940144] [2020-07-10 18:35:38,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 18:35:38,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-10 18:35:38,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275088350] [2020-07-10 18:35:38,848 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-07-10 18:35:38,851 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 18:35:38,856 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-10 18:35:38,926 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:35:38,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-10 18:35:38,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 18:35:38,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-10 18:35:38,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-10 18:35:38,941 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 4 states. [2020-07-10 18:35:39,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:35:39,713 INFO L93 Difference]: Finished difference Result 168 states and 201 transitions. [2020-07-10 18:35:39,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-10 18:35:39,713 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-07-10 18:35:39,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 18:35:39,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 18:35:39,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 201 transitions. [2020-07-10 18:35:39,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 18:35:39,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 201 transitions. [2020-07-10 18:35:39,737 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 201 transitions. [2020-07-10 18:35:39,996 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 201 edges. 201 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:35:40,025 INFO L225 Difference]: With dead ends: 168 [2020-07-10 18:35:40,026 INFO L226 Difference]: Without dead ends: 84 [2020-07-10 18:35:40,036 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 [2020-07-10 18:35:40,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-07-10 18:35:40,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2020-07-10 18:35:40,188 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 18:35:40,189 INFO L82 GeneralOperation]: Start isEquivalent. First operand 84 states. Second operand 84 states. [2020-07-10 18:35:40,190 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states. Second operand 84 states. [2020-07-10 18:35:40,190 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 84 states. [2020-07-10 18:35:40,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:35:40,203 INFO L93 Difference]: Finished difference Result 84 states and 93 transitions. [2020-07-10 18:35:40,203 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2020-07-10 18:35:40,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:35:40,206 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:35:40,206 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states. Second operand 84 states. [2020-07-10 18:35:40,207 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 84 states. [2020-07-10 18:35:40,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:35:40,224 INFO L93 Difference]: Finished difference Result 84 states and 93 transitions. [2020-07-10 18:35:40,224 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2020-07-10 18:35:40,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:35:40,233 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:35:40,233 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 18:35:40,234 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 18:35:40,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-07-10 18:35:40,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 93 transitions. [2020-07-10 18:35:40,248 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 93 transitions. Word has length 31 [2020-07-10 18:35:40,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 18:35:40,249 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 93 transitions. [2020-07-10 18:35:40,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-10 18:35:40,249 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 84 states and 93 transitions. [2020-07-10 18:35:40,401 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:35:40,402 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2020-07-10 18:35:40,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-10 18:35:40,405 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:35:40,405 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] [2020-07-10 18:35:40,405 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 18:35:40,406 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:35:40,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:35:40,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1168745686, now seen corresponding path program 1 times [2020-07-10 18:35:40,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:35:40,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1349183991] [2020-07-10 18:35:40,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:35:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 18:35:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 18:35:40,574 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 18:35:40,575 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.lib.acceleratedinterpolation.Interpolator.generateInterpolantsCraigNested(Interpolator.java:146) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.Interpolator.generateInterpolants(Interpolator.java:102) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.acceleratedInterpolationCore(AcceleratedInterpolation.java:266) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:144) 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) [2020-07-10 18:35:40,581 INFO L168 Benchmark]: Toolchain (without parser) took 3257.65 ms. Allocated memory was 134.2 MB in the beginning and 257.4 MB in the end (delta: 123.2 MB). Free memory was 97.9 MB in the beginning and 205.7 MB in the end (delta: -107.8 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2020-07-10 18:35:40,582 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 134.2 MB. Free memory is still 116.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-10 18:35:40,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.98 ms. Allocated memory is still 134.2 MB. Free memory was 97.9 MB in the beginning and 85.8 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2020-07-10 18:35:40,583 INFO L168 Benchmark]: Boogie Preprocessor took 133.77 ms. Allocated memory was 134.2 MB in the beginning and 198.7 MB in the end (delta: 64.5 MB). Free memory was 85.8 MB in the beginning and 175.9 MB in the end (delta: -90.1 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2020-07-10 18:35:40,584 INFO L168 Benchmark]: RCFGBuilder took 668.14 ms. Allocated memory is still 198.7 MB. Free memory was 175.9 MB in the beginning and 136.1 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 7.1 GB. [2020-07-10 18:35:40,585 INFO L168 Benchmark]: TraceAbstraction took 2145.66 ms. Allocated memory was 198.7 MB in the beginning and 257.4 MB in the end (delta: 58.7 MB). Free memory was 136.1 MB in the beginning and 205.7 MB in the end (delta: -69.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-10 18:35:40,589 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 0.24 ms. Allocated memory is still 134.2 MB. Free memory is still 116.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 303.98 ms. Allocated memory is still 134.2 MB. Free memory was 97.9 MB in the beginning and 85.8 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.77 ms. Allocated memory was 134.2 MB in the beginning and 198.7 MB in the end (delta: 64.5 MB). Free memory was 85.8 MB in the beginning and 175.9 MB in the end (delta: -90.1 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 668.14 ms. Allocated memory is still 198.7 MB. Free memory was 175.9 MB in the beginning and 136.1 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2145.66 ms. Allocated memory was 198.7 MB in the beginning and 257.4 MB in the end (delta: 58.7 MB). Free memory was 136.1 MB in the beginning and 205.7 MB in the end (delta: -69.6 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.model.Model.map(Model.java:227) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...