/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_1051.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-11 00:32:29,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 00:32:29,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 00:32:29,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 00:32:29,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 00:32:29,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 00:32:29,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 00:32:29,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 00:32:29,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 00:32:29,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 00:32:29,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 00:32:29,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 00:32:29,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 00:32:29,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 00:32:29,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 00:32:29,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 00:32:29,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 00:32:29,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 00:32:29,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 00:32:29,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 00:32:29,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 00:32:29,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 00:32:29,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 00:32:29,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 00:32:29,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-11 00:32:29,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-11 00:32:29,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-11 00:32:29,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-11 00:32:29,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-11 00:32:29,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-11 00:32:29,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-11 00:32:29,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-11 00:32:29,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-11 00:32:29,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 00:32:29,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 00:32:29,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 00:32:29,346 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 00:32:29,373 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 00:32:29,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 00:32:29,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 00:32:29,377 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 00:32:29,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 00:32:29,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 00:32:29,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 00:32:29,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 00:32:29,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 00:32:29,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 00:32:29,378 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 00:32:29,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 00:32:29,384 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 00:32:29,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 00:32:29,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 00:32:29,384 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 00:32:29,384 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 00:32:29,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 00:32:29,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 00:32:29,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 00:32:29,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 00:32:29,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 00:32:29,386 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 00:32:29,686 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 00:32:29,698 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 00:32:29,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 00:32:29,704 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 00:32:29,704 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 00:32:29,704 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1051.c [2020-07-11 00:32:29,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b62400c7/eb6fd79ffd764a58961ddb590fbc5e84/FLAGdce05ec8d [2020-07-11 00:32:30,225 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 00:32:30,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1051.c [2020-07-11 00:32:30,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b62400c7/eb6fd79ffd764a58961ddb590fbc5e84/FLAGdce05ec8d [2020-07-11 00:32:30,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b62400c7/eb6fd79ffd764a58961ddb590fbc5e84 [2020-07-11 00:32:30,645 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 00:32:30,647 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 00:32:30,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 00:32:30,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 00:32:30,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 00:32:30,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:32:30" (1/1) ... [2020-07-11 00:32:30,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18eb6ddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:30, skipping insertion in model container [2020-07-11 00:32:30,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 12:32:30" (1/1) ... [2020-07-11 00:32:30,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 00:32:30,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 00:32:30,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:32:30,986 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 00:32:31,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 00:32:31,158 INFO L208 MainTranslator]: Completed translation [2020-07-11 00:32:31,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:31 WrapperNode [2020-07-11 00:32:31,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 00:32:31,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 00:32:31,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 00:32:31,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 00:32:31,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:31" (1/1) ... [2020-07-11 00:32:31,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:31" (1/1) ... [2020-07-11 00:32:31,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:31" (1/1) ... [2020-07-11 00:32:31,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:31" (1/1) ... [2020-07-11 00:32:31,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:31" (1/1) ... [2020-07-11 00:32:31,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:31" (1/1) ... [2020-07-11 00:32:31,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:31" (1/1) ... [2020-07-11 00:32:31,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 00:32:31,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 00:32:31,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 00:32:31,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 00:32:31,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:31" (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 00:32:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 00:32:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 00:32:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2020-07-11 00:32:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-11 00:32:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 00:32:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 00:32:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2020-07-11 00:32:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-11 00:32:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-11 00:32:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-11 00:32:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-11 00:32:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-11 00:32:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-11 00:32:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-11 00:32:31,283 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 00:32:31,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 00:32:31,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 00:32:31,995 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 00:32:31,996 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-11 00:32:32,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:32:32 BoogieIcfgContainer [2020-07-11 00:32:32,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 00:32:32,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 00:32:32,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 00:32:32,016 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 00:32:32,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 12:32:30" (1/3) ... [2020-07-11 00:32:32,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2de4df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:32:32, skipping insertion in model container [2020-07-11 00:32:32,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 12:32:31" (2/3) ... [2020-07-11 00:32:32,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2de4df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 12:32:32, skipping insertion in model container [2020-07-11 00:32:32,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 12:32:32" (3/3) ... [2020-07-11 00:32:32,021 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1051.c [2020-07-11 00:32:32,033 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 00:32:32,040 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-11 00:32:32,051 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-11 00:32:32,074 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 00:32:32,074 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 00:32:32,075 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 00:32:32,075 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 00:32:32,075 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 00:32:32,076 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 00:32:32,076 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 00:32:32,076 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 00:32:32,092 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states. [2020-07-11 00:32:32,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-11 00:32:32,104 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:32:32,106 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] [2020-07-11 00:32:32,106 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:32:32,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:32:32,112 INFO L82 PathProgramCache]: Analyzing trace with hash -911557548, now seen corresponding path program 1 times [2020-07-11 00:32:32,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:32:32,120 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1538090698] [2020-07-11 00:32:32,120 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:32:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:32:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:32:32,331 INFO L280 TraceCheckUtils]: 0: Hoare triple {128#(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; {102#true} is VALID [2020-07-11 00:32:32,331 INFO L280 TraceCheckUtils]: 1: Hoare triple {102#true} #valid := #valid[0 := 0]; {102#true} is VALID [2020-07-11 00:32:32,332 INFO L280 TraceCheckUtils]: 2: Hoare triple {102#true} assume 0 < #StackHeapBarrier; {102#true} is VALID [2020-07-11 00:32:32,333 INFO L280 TraceCheckUtils]: 3: Hoare triple {102#true} ~huge_floor~0 := 1.0E300; {102#true} is VALID [2020-07-11 00:32:32,333 INFO L280 TraceCheckUtils]: 4: Hoare triple {102#true} assume true; {102#true} is VALID [2020-07-11 00:32:32,334 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {102#true} {102#true} #181#return; {102#true} is VALID [2020-07-11 00:32:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:32:32,371 INFO L280 TraceCheckUtils]: 0: Hoare triple {129#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {102#true} is VALID [2020-07-11 00:32:32,371 INFO L280 TraceCheckUtils]: 1: Hoare triple {102#true} havoc ~i0~0; {102#true} is VALID [2020-07-11 00:32:32,372 INFO L280 TraceCheckUtils]: 2: Hoare triple {102#true} havoc ~i1~0; {102#true} is VALID [2020-07-11 00:32:32,372 INFO L280 TraceCheckUtils]: 3: Hoare triple {102#true} havoc ~j0~0; {102#true} is VALID [2020-07-11 00:32:32,372 INFO L280 TraceCheckUtils]: 4: Hoare triple {102#true} havoc ~i~0; {102#true} is VALID [2020-07-11 00:32:32,373 INFO L280 TraceCheckUtils]: 5: Hoare triple {102#true} havoc ~j~0; {102#true} is VALID [2020-07-11 00:32:32,374 INFO L280 TraceCheckUtils]: 6: Hoare triple {102#true} assume !true; {103#false} is VALID [2020-07-11 00:32:32,374 INFO L280 TraceCheckUtils]: 7: Hoare triple {103#false} ~j0~0 := ~bitwiseAnd(~i0~0 / 1048576, 2047) - 1023; {103#false} is VALID [2020-07-11 00:32:32,375 INFO L280 TraceCheckUtils]: 8: Hoare triple {103#false} assume !(~j0~0 < 20); {103#false} is VALID [2020-07-11 00:32:32,375 INFO L280 TraceCheckUtils]: 9: Hoare triple {103#false} assume ~j0~0 > 51; {103#false} is VALID [2020-07-11 00:32:32,375 INFO L280 TraceCheckUtils]: 10: Hoare triple {103#false} assume 1024 == ~j0~0; {103#false} is VALID [2020-07-11 00:32:32,376 INFO L280 TraceCheckUtils]: 11: Hoare triple {103#false} #res := ~someBinaryArithmeticDOUBLEoperation(~x, ~x); {103#false} is VALID [2020-07-11 00:32:32,376 INFO L280 TraceCheckUtils]: 12: Hoare triple {103#false} assume true; {103#false} is VALID [2020-07-11 00:32:32,377 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {103#false} {102#true} #185#return; {103#false} is VALID [2020-07-11 00:32:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 00:32:32,389 INFO L280 TraceCheckUtils]: 0: Hoare triple {102#true} ~x := #in~x; {102#true} is VALID [2020-07-11 00:32:32,389 INFO L280 TraceCheckUtils]: 1: Hoare triple {102#true} #res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); {102#true} is VALID [2020-07-11 00:32:32,390 INFO L280 TraceCheckUtils]: 2: Hoare triple {102#true} assume true; {102#true} is VALID [2020-07-11 00:32:32,390 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {102#true} {103#false} #187#return; {103#false} is VALID [2020-07-11 00:32:32,392 INFO L263 TraceCheckUtils]: 0: Hoare triple {102#true} call ULTIMATE.init(); {128#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~huge_floor~0 |old(~huge_floor~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-11 00:32:32,392 INFO L280 TraceCheckUtils]: 1: Hoare triple {128#(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; {102#true} is VALID [2020-07-11 00:32:32,393 INFO L280 TraceCheckUtils]: 2: Hoare triple {102#true} #valid := #valid[0 := 0]; {102#true} is VALID [2020-07-11 00:32:32,393 INFO L280 TraceCheckUtils]: 3: Hoare triple {102#true} assume 0 < #StackHeapBarrier; {102#true} is VALID [2020-07-11 00:32:32,394 INFO L280 TraceCheckUtils]: 4: Hoare triple {102#true} ~huge_floor~0 := 1.0E300; {102#true} is VALID [2020-07-11 00:32:32,394 INFO L280 TraceCheckUtils]: 5: Hoare triple {102#true} assume true; {102#true} is VALID [2020-07-11 00:32:32,394 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {102#true} {102#true} #181#return; {102#true} is VALID [2020-07-11 00:32:32,395 INFO L263 TraceCheckUtils]: 7: Hoare triple {102#true} call #t~ret8 := main(); {102#true} is VALID [2020-07-11 00:32:32,395 INFO L280 TraceCheckUtils]: 8: Hoare triple {102#true} ~x~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0); {102#true} is VALID [2020-07-11 00:32:32,397 INFO L263 TraceCheckUtils]: 9: Hoare triple {102#true} call #t~ret6 := floor_double(~x~0); {129#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-11 00:32:32,398 INFO L280 TraceCheckUtils]: 10: Hoare triple {129#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {102#true} is VALID [2020-07-11 00:32:32,398 INFO L280 TraceCheckUtils]: 11: Hoare triple {102#true} havoc ~i0~0; {102#true} is VALID [2020-07-11 00:32:32,399 INFO L280 TraceCheckUtils]: 12: Hoare triple {102#true} havoc ~i1~0; {102#true} is VALID [2020-07-11 00:32:32,399 INFO L280 TraceCheckUtils]: 13: Hoare triple {102#true} havoc ~j0~0; {102#true} is VALID [2020-07-11 00:32:32,399 INFO L280 TraceCheckUtils]: 14: Hoare triple {102#true} havoc ~i~0; {102#true} is VALID [2020-07-11 00:32:32,400 INFO L280 TraceCheckUtils]: 15: Hoare triple {102#true} havoc ~j~0; {102#true} is VALID [2020-07-11 00:32:32,401 INFO L280 TraceCheckUtils]: 16: Hoare triple {102#true} assume !true; {103#false} is VALID [2020-07-11 00:32:32,401 INFO L280 TraceCheckUtils]: 17: Hoare triple {103#false} ~j0~0 := ~bitwiseAnd(~i0~0 / 1048576, 2047) - 1023; {103#false} is VALID [2020-07-11 00:32:32,402 INFO L280 TraceCheckUtils]: 18: Hoare triple {103#false} assume !(~j0~0 < 20); {103#false} is VALID [2020-07-11 00:32:32,402 INFO L280 TraceCheckUtils]: 19: Hoare triple {103#false} assume ~j0~0 > 51; {103#false} is VALID [2020-07-11 00:32:32,403 INFO L280 TraceCheckUtils]: 20: Hoare triple {103#false} assume 1024 == ~j0~0; {103#false} is VALID [2020-07-11 00:32:32,403 INFO L280 TraceCheckUtils]: 21: Hoare triple {103#false} #res := ~someBinaryArithmeticDOUBLEoperation(~x, ~x); {103#false} is VALID [2020-07-11 00:32:32,403 INFO L280 TraceCheckUtils]: 22: Hoare triple {103#false} assume true; {103#false} is VALID [2020-07-11 00:32:32,404 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {103#false} {102#true} #185#return; {103#false} is VALID [2020-07-11 00:32:32,404 INFO L280 TraceCheckUtils]: 24: Hoare triple {103#false} ~res~0 := #t~ret6; {103#false} is VALID [2020-07-11 00:32:32,404 INFO L280 TraceCheckUtils]: 25: Hoare triple {103#false} havoc #t~ret6; {103#false} is VALID [2020-07-11 00:32:32,405 INFO L263 TraceCheckUtils]: 26: Hoare triple {103#false} call #t~ret7 := isnan_double(~res~0); {102#true} is VALID [2020-07-11 00:32:32,405 INFO L280 TraceCheckUtils]: 27: Hoare triple {102#true} ~x := #in~x; {102#true} is VALID [2020-07-11 00:32:32,406 INFO L280 TraceCheckUtils]: 28: Hoare triple {102#true} #res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); {102#true} is VALID [2020-07-11 00:32:32,406 INFO L280 TraceCheckUtils]: 29: Hoare triple {102#true} assume true; {102#true} is VALID [2020-07-11 00:32:32,406 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {102#true} {103#false} #187#return; {103#false} is VALID [2020-07-11 00:32:32,407 INFO L280 TraceCheckUtils]: 31: Hoare triple {103#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; {103#false} is VALID [2020-07-11 00:32:32,407 INFO L280 TraceCheckUtils]: 32: Hoare triple {103#false} assume 0 == #t~ret7; {103#false} is VALID [2020-07-11 00:32:32,407 INFO L280 TraceCheckUtils]: 33: Hoare triple {103#false} havoc #t~ret7; {103#false} is VALID [2020-07-11 00:32:32,408 INFO L280 TraceCheckUtils]: 34: Hoare triple {103#false} assume !false; {103#false} is VALID [2020-07-11 00:32:32,414 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 00:32:32,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1538090698] [2020-07-11 00:32:32,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 00:32:32,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-11 00:32:32,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923631388] [2020-07-11 00:32:32,426 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-07-11 00:32:32,429 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 00:32:32,433 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-11 00:32:32,503 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:32:32,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-11 00:32:32,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 00:32:32,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-11 00:32:32,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-11 00:32:32,516 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 4 states. [2020-07-11 00:32:33,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:32:33,223 INFO L93 Difference]: Finished difference Result 181 states and 219 transitions. [2020-07-11 00:32:33,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-11 00:32:33,223 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-07-11 00:32:33,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 00:32:33,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 00:32:33,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 219 transitions. [2020-07-11 00:32:33,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-11 00:32:33,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 219 transitions. [2020-07-11 00:32:33,254 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 219 transitions. [2020-07-11 00:32:33,573 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 219 edges. 219 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:32:33,591 INFO L225 Difference]: With dead ends: 181 [2020-07-11 00:32:33,591 INFO L226 Difference]: Without dead ends: 92 [2020-07-11 00:32:33,595 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 00:32:33,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-07-11 00:32:33,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2020-07-11 00:32:33,710 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 00:32:33,711 INFO L82 GeneralOperation]: Start isEquivalent. First operand 92 states. Second operand 92 states. [2020-07-11 00:32:33,712 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 92 states. [2020-07-11 00:32:33,712 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 92 states. [2020-07-11 00:32:33,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:32:33,721 INFO L93 Difference]: Finished difference Result 92 states and 106 transitions. [2020-07-11 00:32:33,721 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2020-07-11 00:32:33,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:32:33,723 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:32:33,723 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 92 states. [2020-07-11 00:32:33,723 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 92 states. [2020-07-11 00:32:33,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 00:32:33,731 INFO L93 Difference]: Finished difference Result 92 states and 106 transitions. [2020-07-11 00:32:33,731 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2020-07-11 00:32:33,732 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 00:32:33,732 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 00:32:33,733 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 00:32:33,733 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 00:32:33,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-07-11 00:32:33,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 106 transitions. [2020-07-11 00:32:33,740 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 106 transitions. Word has length 35 [2020-07-11 00:32:33,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 00:32:33,741 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 106 transitions. [2020-07-11 00:32:33,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-11 00:32:33,741 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 92 states and 106 transitions. [2020-07-11 00:32:33,872 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 106 edges. 106 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 00:32:33,872 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2020-07-11 00:32:33,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-07-11 00:32:33,876 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 00:32:33,876 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 00:32:33,877 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 00:32:33,877 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 00:32:33,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 00:32:33,880 INFO L82 PathProgramCache]: Analyzing trace with hash 2058435850, now seen corresponding path program 1 times [2020-07-11 00:32:33,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 00:32:33,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [366613509] [2020-07-11 00:32:33,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 00:32:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 00:32:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-11 00:32:34,067 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-11 00:32:34,068 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) [2020-07-11 00:32:34,075 INFO L168 Benchmark]: Toolchain (without parser) took 3426.77 ms. Allocated memory was 137.4 MB in the beginning and 247.5 MB in the end (delta: 110.1 MB). Free memory was 102.3 MB in the beginning and 165.0 MB in the end (delta: -62.8 MB). Peak memory consumption was 47.3 MB. Max. memory is 7.1 GB. [2020-07-11 00:32:34,076 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-11 00:32:34,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.60 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 102.1 MB in the beginning and 178.2 MB in the end (delta: -76.1 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2020-07-11 00:32:34,078 INFO L168 Benchmark]: Boogie Preprocessor took 55.19 ms. Allocated memory is still 201.3 MB. Free memory was 178.2 MB in the beginning and 175.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-07-11 00:32:34,078 INFO L168 Benchmark]: RCFGBuilder took 792.03 ms. Allocated memory is still 201.3 MB. Free memory was 175.3 MB in the beginning and 132.5 MB in the end (delta: 42.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 7.1 GB. [2020-07-11 00:32:34,080 INFO L168 Benchmark]: TraceAbstraction took 2061.07 ms. Allocated memory was 201.3 MB in the beginning and 247.5 MB in the end (delta: 46.1 MB). Free memory was 132.5 MB in the beginning and 165.0 MB in the end (delta: -32.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2020-07-11 00:32:34,084 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 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 510.60 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 102.1 MB in the beginning and 178.2 MB in the end (delta: -76.1 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.19 ms. Allocated memory is still 201.3 MB. Free memory was 178.2 MB in the beginning and 175.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 792.03 ms. Allocated memory is still 201.3 MB. Free memory was 175.3 MB in the beginning and 132.5 MB in the end (delta: 42.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2061.07 ms. Allocated memory was 201.3 MB in the beginning and 247.5 MB in the end (delta: 46.1 MB). Free memory was 132.5 MB in the beginning and 165.0 MB in the end (delta: -32.5 MB). Peak memory consumption was 13.6 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...