/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1092a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 04:38:48,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 04:38:48,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 04:38:48,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 04:38:48,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 04:38:48,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 04:38:48,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 04:38:48,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 04:38:48,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 04:38:48,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 04:38:48,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 04:38:48,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 04:38:48,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 04:38:48,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 04:38:48,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 04:38:48,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 04:38:48,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 04:38:48,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 04:38:48,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 04:38:48,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 04:38:48,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 04:38:48,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 04:38:48,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 04:38:48,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 04:38:48,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 04:38:48,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 04:38:48,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 04:38:48,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 04:38:48,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 04:38:48,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 04:38:48,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 04:38:48,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 04:38:48,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 04:38:48,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 04:38:48,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 04:38:48,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 04:38:48,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 04:38:48,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 04:38:48,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 04:38:48,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 04:38:48,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 04:38:48,270 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 04:38:48,279 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 04:38:48,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 04:38:48,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 04:38:48,281 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 04:38:48,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 04:38:48,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 04:38:48,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 04:38:48,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 04:38:48,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 04:38:48,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 04:38:48,283 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 04:38:48,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 04:38:48,283 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 04:38:48,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 04:38:48,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 04:38:48,284 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 04:38:48,284 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 04:38:48,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 04:38:48,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 04:38:48,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 04:38:48,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 04:38:48,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 04:38:48,285 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 04:38:48,604 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 04:38:48,616 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 04:38:48,623 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 04:38:48,625 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 04:38:48,625 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 04:38:48,626 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1092a.c [2020-07-18 04:38:48,691 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3abbea7a9/db3af38a6cdd4c92bd12d3c9a9945ce8/FLAG49b86c519 [2020-07-18 04:38:49,168 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 04:38:49,169 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1092a.c [2020-07-18 04:38:49,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3abbea7a9/db3af38a6cdd4c92bd12d3c9a9945ce8/FLAG49b86c519 [2020-07-18 04:38:49,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3abbea7a9/db3af38a6cdd4c92bd12d3c9a9945ce8 [2020-07-18 04:38:49,519 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 04:38:49,522 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 04:38:49,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 04:38:49,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 04:38:49,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 04:38:49,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:38:49" (1/1) ... [2020-07-18 04:38:49,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335c8d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:49, skipping insertion in model container [2020-07-18 04:38:49,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:38:49" (1/1) ... [2020-07-18 04:38:49,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 04:38:49,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 04:38:49,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:38:49,792 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 04:38:49,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:38:49,955 INFO L208 MainTranslator]: Completed translation [2020-07-18 04:38:49,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:49 WrapperNode [2020-07-18 04:38:49,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 04:38:49,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 04:38:49,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 04:38:49,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 04:38:49,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:49" (1/1) ... [2020-07-18 04:38:49,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:49" (1/1) ... [2020-07-18 04:38:49,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:49" (1/1) ... [2020-07-18 04:38:49,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:49" (1/1) ... [2020-07-18 04:38:49,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:49" (1/1) ... [2020-07-18 04:38:50,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:49" (1/1) ... [2020-07-18 04:38:50,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:49" (1/1) ... [2020-07-18 04:38:50,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 04:38:50,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 04:38:50,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 04:38:50,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 04:38:50,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:49" (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 04:38:50,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 04:38:50,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 04:38:50,075 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-18 04:38:50,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_double [2020-07-18 04:38:50,075 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 04:38:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 04:38:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-18 04:38:50,076 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_double [2020-07-18 04:38:50,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 04:38:50,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-18 04:38:50,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 04:38:50,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 04:38:50,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 04:38:50,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-18 04:38:50,077 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 04:38:50,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 04:38:50,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 04:38:50,672 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 04:38:50,673 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-18 04:38:50,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:38:50 BoogieIcfgContainer [2020-07-18 04:38:50,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 04:38:50,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 04:38:50,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 04:38:50,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 04:38:50,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 04:38:49" (1/3) ... [2020-07-18 04:38:50,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46c0ebf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:38:50, skipping insertion in model container [2020-07-18 04:38:50,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:38:49" (2/3) ... [2020-07-18 04:38:50,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46c0ebf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:38:50, skipping insertion in model container [2020-07-18 04:38:50,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:38:50" (3/3) ... [2020-07-18 04:38:50,687 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2020-07-18 04:38:50,698 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 04:38:50,708 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 04:38:50,723 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 04:38:50,747 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 04:38:50,747 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 04:38:50,748 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 04:38:50,748 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 04:38:50,748 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 04:38:50,748 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 04:38:50,749 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 04:38:50,749 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 04:38:50,767 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states. [2020-07-18 04:38:50,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-18 04:38:50,781 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:38:50,782 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:38:50,783 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:38:50,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:38:50,790 INFO L82 PathProgramCache]: Analyzing trace with hash -270741431, now seen corresponding path program 1 times [2020-07-18 04:38:50,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:38:50,800 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1826629953] [2020-07-18 04:38:50,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:38:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:38:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:38:51,006 INFO L280 TraceCheckUtils]: 0: Hoare triple {116#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~huge_ceil~0 |old(~huge_ceil~0)|))} #NULL.base, #NULL.offset := 0, 0; {94#true} is VALID [2020-07-18 04:38:51,006 INFO L280 TraceCheckUtils]: 1: Hoare triple {94#true} #valid := #valid[0 := 0]; {94#true} is VALID [2020-07-18 04:38:51,007 INFO L280 TraceCheckUtils]: 2: Hoare triple {94#true} assume 0 < #StackHeapBarrier; {94#true} is VALID [2020-07-18 04:38:51,008 INFO L280 TraceCheckUtils]: 3: Hoare triple {94#true} ~huge_ceil~0 := 1.0E300; {94#true} is VALID [2020-07-18 04:38:51,008 INFO L280 TraceCheckUtils]: 4: Hoare triple {94#true} assume true; {94#true} is VALID [2020-07-18 04:38:51,009 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {94#true} {94#true} #177#return; {94#true} is VALID [2020-07-18 04:38:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:38:51,045 INFO L280 TraceCheckUtils]: 0: Hoare triple {117#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {94#true} is VALID [2020-07-18 04:38:51,046 INFO L280 TraceCheckUtils]: 1: Hoare triple {94#true} havoc ~i0~0; {94#true} is VALID [2020-07-18 04:38:51,046 INFO L280 TraceCheckUtils]: 2: Hoare triple {94#true} havoc ~i1~0; {94#true} is VALID [2020-07-18 04:38:51,047 INFO L280 TraceCheckUtils]: 3: Hoare triple {94#true} havoc ~j0~0; {94#true} is VALID [2020-07-18 04:38:51,047 INFO L280 TraceCheckUtils]: 4: Hoare triple {94#true} havoc ~i~0; {94#true} is VALID [2020-07-18 04:38:51,047 INFO L280 TraceCheckUtils]: 5: Hoare triple {94#true} havoc ~j~0; {94#true} is VALID [2020-07-18 04:38:51,049 INFO L280 TraceCheckUtils]: 6: Hoare triple {94#true} assume !true; {95#false} is VALID [2020-07-18 04:38:51,049 INFO L280 TraceCheckUtils]: 7: Hoare triple {95#false} ~j0~0 := ~bitwiseAnd(~i0~0 / 1048576, 2047) - 1023; {95#false} is VALID [2020-07-18 04:38:51,049 INFO L280 TraceCheckUtils]: 8: Hoare triple {95#false} assume !(~j0~0 < 20); {95#false} is VALID [2020-07-18 04:38:51,050 INFO L280 TraceCheckUtils]: 9: Hoare triple {95#false} assume ~j0~0 > 51; {95#false} is VALID [2020-07-18 04:38:51,050 INFO L280 TraceCheckUtils]: 10: Hoare triple {95#false} assume 1024 == ~j0~0; {95#false} is VALID [2020-07-18 04:38:51,050 INFO L280 TraceCheckUtils]: 11: Hoare triple {95#false} #res := ~someBinaryArithmeticDOUBLEoperation(~x, ~x); {95#false} is VALID [2020-07-18 04:38:51,051 INFO L280 TraceCheckUtils]: 12: Hoare triple {95#false} assume true; {95#false} is VALID [2020-07-18 04:38:51,051 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {95#false} {94#true} #181#return; {95#false} is VALID [2020-07-18 04:38:51,054 INFO L263 TraceCheckUtils]: 0: Hoare triple {94#true} call ULTIMATE.init(); {116#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~huge_ceil~0 |old(~huge_ceil~0)|))} is VALID [2020-07-18 04:38:51,054 INFO L280 TraceCheckUtils]: 1: Hoare triple {116#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~huge_ceil~0 |old(~huge_ceil~0)|))} #NULL.base, #NULL.offset := 0, 0; {94#true} is VALID [2020-07-18 04:38:51,055 INFO L280 TraceCheckUtils]: 2: Hoare triple {94#true} #valid := #valid[0 := 0]; {94#true} is VALID [2020-07-18 04:38:51,055 INFO L280 TraceCheckUtils]: 3: Hoare triple {94#true} assume 0 < #StackHeapBarrier; {94#true} is VALID [2020-07-18 04:38:51,055 INFO L280 TraceCheckUtils]: 4: Hoare triple {94#true} ~huge_ceil~0 := 1.0E300; {94#true} is VALID [2020-07-18 04:38:51,056 INFO L280 TraceCheckUtils]: 5: Hoare triple {94#true} assume true; {94#true} is VALID [2020-07-18 04:38:51,056 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {94#true} {94#true} #177#return; {94#true} is VALID [2020-07-18 04:38:51,056 INFO L263 TraceCheckUtils]: 7: Hoare triple {94#true} call #t~ret7 := main(); {94#true} is VALID [2020-07-18 04:38:51,057 INFO L280 TraceCheckUtils]: 8: Hoare triple {94#true} ~x~0 := ~someUnaryDOUBLEoperation(0.0); {94#true} is VALID [2020-07-18 04:38:51,058 INFO L263 TraceCheckUtils]: 9: Hoare triple {94#true} call #t~ret6 := ceil_double(~x~0); {117#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 04:38:51,059 INFO L280 TraceCheckUtils]: 10: Hoare triple {117#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {94#true} is VALID [2020-07-18 04:38:51,059 INFO L280 TraceCheckUtils]: 11: Hoare triple {94#true} havoc ~i0~0; {94#true} is VALID [2020-07-18 04:38:51,059 INFO L280 TraceCheckUtils]: 12: Hoare triple {94#true} havoc ~i1~0; {94#true} is VALID [2020-07-18 04:38:51,060 INFO L280 TraceCheckUtils]: 13: Hoare triple {94#true} havoc ~j0~0; {94#true} is VALID [2020-07-18 04:38:51,060 INFO L280 TraceCheckUtils]: 14: Hoare triple {94#true} havoc ~i~0; {94#true} is VALID [2020-07-18 04:38:51,060 INFO L280 TraceCheckUtils]: 15: Hoare triple {94#true} havoc ~j~0; {94#true} is VALID [2020-07-18 04:38:51,061 INFO L280 TraceCheckUtils]: 16: Hoare triple {94#true} assume !true; {95#false} is VALID [2020-07-18 04:38:51,062 INFO L280 TraceCheckUtils]: 17: Hoare triple {95#false} ~j0~0 := ~bitwiseAnd(~i0~0 / 1048576, 2047) - 1023; {95#false} is VALID [2020-07-18 04:38:51,062 INFO L280 TraceCheckUtils]: 18: Hoare triple {95#false} assume !(~j0~0 < 20); {95#false} is VALID [2020-07-18 04:38:51,062 INFO L280 TraceCheckUtils]: 19: Hoare triple {95#false} assume ~j0~0 > 51; {95#false} is VALID [2020-07-18 04:38:51,062 INFO L280 TraceCheckUtils]: 20: Hoare triple {95#false} assume 1024 == ~j0~0; {95#false} is VALID [2020-07-18 04:38:51,063 INFO L280 TraceCheckUtils]: 21: Hoare triple {95#false} #res := ~someBinaryArithmeticDOUBLEoperation(~x, ~x); {95#false} is VALID [2020-07-18 04:38:51,063 INFO L280 TraceCheckUtils]: 22: Hoare triple {95#false} assume true; {95#false} is VALID [2020-07-18 04:38:51,063 INFO L275 TraceCheckUtils]: 23: Hoare quadruple {95#false} {94#true} #181#return; {95#false} is VALID [2020-07-18 04:38:51,064 INFO L280 TraceCheckUtils]: 24: Hoare triple {95#false} ~res~0 := #t~ret6; {95#false} is VALID [2020-07-18 04:38:51,064 INFO L280 TraceCheckUtils]: 25: Hoare triple {95#false} havoc #t~ret6; {95#false} is VALID [2020-07-18 04:38:51,065 INFO L280 TraceCheckUtils]: 26: Hoare triple {95#false} assume ~someBinaryDOUBLEComparisonOperation(~res~0, ~x~0); {95#false} is VALID [2020-07-18 04:38:51,065 INFO L280 TraceCheckUtils]: 27: Hoare triple {95#false} assume !false; {95#false} is VALID [2020-07-18 04:38:51,070 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 04:38:51,071 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1826629953] [2020-07-18 04:38:51,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 04:38:51,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-18 04:38:51,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244849470] [2020-07-18 04:38:51,081 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-07-18 04:38:51,084 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:38:51,088 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-18 04:38:51,137 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:38:51,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-18 04:38:51,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:38:51,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-18 04:38:51,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 04:38:51,150 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 4 states. [2020-07-18 04:38:51,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:38:51,830 INFO L93 Difference]: Finished difference Result 165 states and 203 transitions. [2020-07-18 04:38:51,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-18 04:38:51,831 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-07-18 04:38:51,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:38:51,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 04:38:51,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 203 transitions. [2020-07-18 04:38:51,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 04:38:51,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 203 transitions. [2020-07-18 04:38:51,858 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 203 transitions. [2020-07-18 04:38:52,139 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 203 edges. 203 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:38:52,157 INFO L225 Difference]: With dead ends: 165 [2020-07-18 04:38:52,157 INFO L226 Difference]: Without dead ends: 85 [2020-07-18 04:38:52,162 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 04:38:52,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-07-18 04:38:52,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-07-18 04:38:52,276 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:38:52,286 INFO L82 GeneralOperation]: Start isEquivalent. First operand 85 states. Second operand 85 states. [2020-07-18 04:38:52,286 INFO L74 IsIncluded]: Start isIncluded. First operand 85 states. Second operand 85 states. [2020-07-18 04:38:52,286 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 85 states. [2020-07-18 04:38:52,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:38:52,294 INFO L93 Difference]: Finished difference Result 85 states and 99 transitions. [2020-07-18 04:38:52,294 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2020-07-18 04:38:52,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:38:52,296 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:38:52,296 INFO L74 IsIncluded]: Start isIncluded. First operand 85 states. Second operand 85 states. [2020-07-18 04:38:52,296 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 85 states. [2020-07-18 04:38:52,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:38:52,303 INFO L93 Difference]: Finished difference Result 85 states and 99 transitions. [2020-07-18 04:38:52,304 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2020-07-18 04:38:52,305 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:38:52,305 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:38:52,305 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:38:52,306 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:38:52,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-07-18 04:38:52,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 99 transitions. [2020-07-18 04:38:52,313 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 99 transitions. Word has length 28 [2020-07-18 04:38:52,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:38:52,313 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 99 transitions. [2020-07-18 04:38:52,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-18 04:38:52,313 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 85 states and 99 transitions. [2020-07-18 04:38:52,433 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:38:52,433 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2020-07-18 04:38:52,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-07-18 04:38:52,435 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:38:52,436 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:38:52,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 04:38:52,436 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:38:52,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:38:52,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1616691539, now seen corresponding path program 1 times [2020-07-18 04:38:52,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:38:52,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [481627236] [2020-07-18 04:38:52,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:38:52,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 04:38:52,514 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.generateLinVar(LinArSolve.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.createEquality(LinArSolve.java:1974) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:83) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createAtom(EqualityProxy.java:165) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.getLiteral(EqualityProxy.java:186) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createCCEquality(EqualityProxy.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.mbtc(LinArSolve.java:1891) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.computeConflictClause(LinArSolve.java:664) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.checkConsistency(DPLLEngine.java:1010) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1157) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol$CheckType$1.check(SMTInterpol.java:117) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSatAssuming(SMTInterpol.java:494) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSat(SMTInterpol.java:446) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:214) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:96) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-18 04:38:52,529 INFO L168 Benchmark]: Toolchain (without parser) took 3005.06 ms. Allocated memory was 144.2 MB in the beginning and 250.1 MB in the end (delta: 105.9 MB). Free memory was 101.7 MB in the beginning and 194.5 MB in the end (delta: -92.9 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:52,530 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 04:38:52,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 432.51 ms. Allocated memory was 144.2 MB in the beginning and 199.2 MB in the end (delta: 55.1 MB). Free memory was 101.3 MB in the beginning and 177.2 MB in the end (delta: -76.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:52,532 INFO L168 Benchmark]: Boogie Preprocessor took 52.98 ms. Allocated memory is still 199.2 MB. Free memory was 177.2 MB in the beginning and 174.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:52,533 INFO L168 Benchmark]: RCFGBuilder took 668.41 ms. Allocated memory is still 199.2 MB. Free memory was 174.5 MB in the beginning and 132.3 MB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2020-07-18 04:38:52,534 INFO L168 Benchmark]: TraceAbstraction took 1842.20 ms. Allocated memory was 199.2 MB in the beginning and 250.1 MB in the end (delta: 50.9 MB). Free memory was 131.6 MB in the beginning and 194.5 MB in the end (delta: -63.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-18 04:38:52,538 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 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 432.51 ms. Allocated memory was 144.2 MB in the beginning and 199.2 MB in the end (delta: 55.1 MB). Free memory was 101.3 MB in the beginning and 177.2 MB in the end (delta: -76.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.98 ms. Allocated memory is still 199.2 MB. Free memory was 177.2 MB in the beginning and 174.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 668.41 ms. Allocated memory is still 199.2 MB. Free memory was 174.5 MB in the beginning and 132.3 MB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1842.20 ms. Allocated memory was 199.2 MB in the beginning and 250.1 MB in the end (delta: 50.9 MB). Free memory was 131.6 MB in the beginning and 194.5 MB in the end (delta: -63.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...