/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_1031.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 21:47:42,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 21:47:42,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 21:47:42,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 21:47:42,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 21:47:42,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 21:47:42,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 21:47:42,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 21:47:42,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 21:47:42,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 21:47:42,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 21:47:42,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 21:47:42,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 21:47:42,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 21:47:42,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 21:47:42,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 21:47:42,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 21:47:42,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 21:47:42,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 21:47:42,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 21:47:42,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 21:47:42,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 21:47:42,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 21:47:42,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 21:47:42,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 21:47:42,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 21:47:42,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 21:47:42,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 21:47:42,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 21:47:42,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 21:47:42,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 21:47:42,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 21:47:42,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 21:47:42,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 21:47:42,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 21:47:42,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 21:47:42,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 21:47:42,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 21:47:42,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 21:47:42,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 21:47:42,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 21:47:42,069 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 21:47:42,083 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 21:47:42,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 21:47:42,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 21:47:42,085 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 21:47:42,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 21:47:42,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 21:47:42,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 21:47:42,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 21:47:42,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 21:47:42,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 21:47:42,087 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 21:47:42,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 21:47:42,088 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 21:47:42,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 21:47:42,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 21:47:42,089 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 21:47:42,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 21:47:42,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 21:47:42,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 21:47:42,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 21:47:42,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 21:47:42,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 21:47:42,090 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 [2020-07-08 21:47:42,367 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 21:47:42,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 21:47:42,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 21:47:42,383 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 21:47:42,384 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 21:47:42,384 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1031.c [2020-07-08 21:47:42,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/765d11283/8cb62b0a63874bd7aaeba778f3537075/FLAGd0b2e5b2c [2020-07-08 21:47:42,893 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 21:47:42,893 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1031.c [2020-07-08 21:47:42,901 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/765d11283/8cb62b0a63874bd7aaeba778f3537075/FLAGd0b2e5b2c [2020-07-08 21:47:43,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/765d11283/8cb62b0a63874bd7aaeba778f3537075 [2020-07-08 21:47:43,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 21:47:43,301 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 21:47:43,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 21:47:43,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 21:47:43,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 21:47:43,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 09:47:43" (1/1) ... [2020-07-08 21:47:43,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@980e4e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:43, skipping insertion in model container [2020-07-08 21:47:43,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 09:47:43" (1/1) ... [2020-07-08 21:47:43,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 21:47:43,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 21:47:43,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 21:47:43,538 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 21:47:43,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 21:47:43,590 INFO L208 MainTranslator]: Completed translation [2020-07-08 21:47:43,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:43 WrapperNode [2020-07-08 21:47:43,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 21:47:43,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 21:47:43,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 21:47:43,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 21:47:43,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:43" (1/1) ... [2020-07-08 21:47:43,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:43" (1/1) ... [2020-07-08 21:47:43,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:43" (1/1) ... [2020-07-08 21:47:43,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:43" (1/1) ... [2020-07-08 21:47:43,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:43" (1/1) ... [2020-07-08 21:47:43,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:43" (1/1) ... [2020-07-08 21:47:43,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:43" (1/1) ... [2020-07-08 21:47:43,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 21:47:43,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 21:47:43,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 21:47:43,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 21:47:43,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:43" (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 [2020-07-08 21:47:43,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 21:47:43,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 21:47:43,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-08 21:47:43,795 INFO L138 BoogieDeclarations]: Found implementation of procedure round_double [2020-07-08 21:47:43,795 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 21:47:43,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 21:47:43,795 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-08 21:47:43,795 INFO L130 BoogieDeclarations]: Found specification of procedure round_double [2020-07-08 21:47:43,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 21:47:43,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-08 21:47:43,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 21:47:43,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 21:47:43,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 21:47:43,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-08 21:47:43,797 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 21:47:43,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 21:47:43,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 21:47:44,412 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 21:47:44,413 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-08 21:47:44,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 09:47:44 BoogieIcfgContainer [2020-07-08 21:47:44,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 21:47:44,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 21:47:44,419 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 21:47:44,422 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 21:47:44,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 09:47:43" (1/3) ... [2020-07-08 21:47:44,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dfd0f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 09:47:44, skipping insertion in model container [2020-07-08 21:47:44,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:43" (2/3) ... [2020-07-08 21:47:44,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dfd0f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 09:47:44, skipping insertion in model container [2020-07-08 21:47:44,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 09:47:44" (3/3) ... [2020-07-08 21:47:44,426 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1031.c [2020-07-08 21:47:44,437 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 21:47:44,444 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 21:47:44,458 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 21:47:44,481 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 21:47:44,481 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 21:47:44,481 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-08 21:47:44,482 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 21:47:44,482 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 21:47:44,482 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 21:47:44,482 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 21:47:44,482 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 21:47:44,499 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states. [2020-07-08 21:47:44,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-07-08 21:47:44,511 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 21:47:44,512 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 21:47:44,512 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 21:47:44,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 21:47:44,518 INFO L82 PathProgramCache]: Analyzing trace with hash 69005663, now seen corresponding path program 1 times [2020-07-08 21:47:44,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 21:47:44,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1291185991] [2020-07-08 21:47:44,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 21:47:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 21:47:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 21:47:44,723 INFO L280 TraceCheckUtils]: 0: Hoare triple {114#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {91#true} is VALID [2020-07-08 21:47:44,724 INFO L280 TraceCheckUtils]: 1: Hoare triple {91#true} #valid := #valid[0 := 0]; {91#true} is VALID [2020-07-08 21:47:44,724 INFO L280 TraceCheckUtils]: 2: Hoare triple {91#true} assume 0 < #StackHeapBarrier; {91#true} is VALID [2020-07-08 21:47:44,725 INFO L280 TraceCheckUtils]: 3: Hoare triple {91#true} assume true; {91#true} is VALID [2020-07-08 21:47:44,725 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {91#true} {91#true} #138#return; {91#true} is VALID [2020-07-08 21:47:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 21:47:44,766 INFO L280 TraceCheckUtils]: 0: Hoare triple {115#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {91#true} is VALID [2020-07-08 21:47:44,767 INFO L280 TraceCheckUtils]: 1: Hoare triple {91#true} havoc ~msw~0; {91#true} is VALID [2020-07-08 21:47:44,767 INFO L280 TraceCheckUtils]: 2: Hoare triple {91#true} havoc ~exponent_less_1023~0; {91#true} is VALID [2020-07-08 21:47:44,768 INFO L280 TraceCheckUtils]: 3: Hoare triple {91#true} havoc ~lsw~0; {91#true} is VALID [2020-07-08 21:47:44,769 INFO L280 TraceCheckUtils]: 4: Hoare triple {91#true} assume !true; {92#false} is VALID [2020-07-08 21:47:44,769 INFO L280 TraceCheckUtils]: 5: Hoare triple {92#false} ~exponent_less_1023~0 := ~bitwiseAnd(~msw~0, 2146435072) / 1048576 - 1023; {92#false} is VALID [2020-07-08 21:47:44,770 INFO L280 TraceCheckUtils]: 6: Hoare triple {92#false} assume !(~exponent_less_1023~0 < 20); {92#false} is VALID [2020-07-08 21:47:44,770 INFO L280 TraceCheckUtils]: 7: Hoare triple {92#false} assume ~exponent_less_1023~0 > 51; {92#false} is VALID [2020-07-08 21:47:44,771 INFO L280 TraceCheckUtils]: 8: Hoare triple {92#false} assume 1024 == ~exponent_less_1023~0; {92#false} is VALID [2020-07-08 21:47:44,771 INFO L280 TraceCheckUtils]: 9: Hoare triple {92#false} #res := ~someBinaryArithmeticDOUBLEoperation(~x, ~x); {92#false} is VALID [2020-07-08 21:47:44,771 INFO L280 TraceCheckUtils]: 10: Hoare triple {92#false} assume true; {92#false} is VALID [2020-07-08 21:47:44,772 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {92#false} {91#true} #142#return; {92#false} is VALID [2020-07-08 21:47:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 21:47:44,784 INFO L280 TraceCheckUtils]: 0: Hoare triple {91#true} ~x := #in~x; {91#true} is VALID [2020-07-08 21:47:44,784 INFO L280 TraceCheckUtils]: 1: Hoare triple {91#true} #res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); {91#true} is VALID [2020-07-08 21:47:44,785 INFO L280 TraceCheckUtils]: 2: Hoare triple {91#true} assume true; {91#true} is VALID [2020-07-08 21:47:44,785 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {91#true} {92#false} #144#return; {92#false} is VALID [2020-07-08 21:47:44,787 INFO L263 TraceCheckUtils]: 0: Hoare triple {91#true} call ULTIMATE.init(); {114#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 21:47:44,787 INFO L280 TraceCheckUtils]: 1: Hoare triple {114#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {91#true} is VALID [2020-07-08 21:47:44,788 INFO L280 TraceCheckUtils]: 2: Hoare triple {91#true} #valid := #valid[0 := 0]; {91#true} is VALID [2020-07-08 21:47:44,788 INFO L280 TraceCheckUtils]: 3: Hoare triple {91#true} assume 0 < #StackHeapBarrier; {91#true} is VALID [2020-07-08 21:47:44,788 INFO L280 TraceCheckUtils]: 4: Hoare triple {91#true} assume true; {91#true} is VALID [2020-07-08 21:47:44,789 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {91#true} {91#true} #138#return; {91#true} is VALID [2020-07-08 21:47:44,789 INFO L263 TraceCheckUtils]: 6: Hoare triple {91#true} call #t~ret8 := main(); {91#true} is VALID [2020-07-08 21:47:44,789 INFO L280 TraceCheckUtils]: 7: Hoare triple {91#true} ~x~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0); {91#true} is VALID [2020-07-08 21:47:44,791 INFO L263 TraceCheckUtils]: 8: Hoare triple {91#true} call #t~ret6 := round_double(~x~0); {115#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 21:47:44,791 INFO L280 TraceCheckUtils]: 9: Hoare triple {115#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {91#true} is VALID [2020-07-08 21:47:44,792 INFO L280 TraceCheckUtils]: 10: Hoare triple {91#true} havoc ~msw~0; {91#true} is VALID [2020-07-08 21:47:44,792 INFO L280 TraceCheckUtils]: 11: Hoare triple {91#true} havoc ~exponent_less_1023~0; {91#true} is VALID [2020-07-08 21:47:44,792 INFO L280 TraceCheckUtils]: 12: Hoare triple {91#true} havoc ~lsw~0; {91#true} is VALID [2020-07-08 21:47:44,794 INFO L280 TraceCheckUtils]: 13: Hoare triple {91#true} assume !true; {92#false} is VALID [2020-07-08 21:47:44,794 INFO L280 TraceCheckUtils]: 14: Hoare triple {92#false} ~exponent_less_1023~0 := ~bitwiseAnd(~msw~0, 2146435072) / 1048576 - 1023; {92#false} is VALID [2020-07-08 21:47:44,794 INFO L280 TraceCheckUtils]: 15: Hoare triple {92#false} assume !(~exponent_less_1023~0 < 20); {92#false} is VALID [2020-07-08 21:47:44,795 INFO L280 TraceCheckUtils]: 16: Hoare triple {92#false} assume ~exponent_less_1023~0 > 51; {92#false} is VALID [2020-07-08 21:47:44,795 INFO L280 TraceCheckUtils]: 17: Hoare triple {92#false} assume 1024 == ~exponent_less_1023~0; {92#false} is VALID [2020-07-08 21:47:44,795 INFO L280 TraceCheckUtils]: 18: Hoare triple {92#false} #res := ~someBinaryArithmeticDOUBLEoperation(~x, ~x); {92#false} is VALID [2020-07-08 21:47:44,796 INFO L280 TraceCheckUtils]: 19: Hoare triple {92#false} assume true; {92#false} is VALID [2020-07-08 21:47:44,796 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {92#false} {91#true} #142#return; {92#false} is VALID [2020-07-08 21:47:44,796 INFO L280 TraceCheckUtils]: 21: Hoare triple {92#false} ~res~0 := #t~ret6; {92#false} is VALID [2020-07-08 21:47:44,797 INFO L280 TraceCheckUtils]: 22: Hoare triple {92#false} havoc #t~ret6; {92#false} is VALID [2020-07-08 21:47:44,797 INFO L263 TraceCheckUtils]: 23: Hoare triple {92#false} call #t~ret7 := isnan_double(~res~0); {91#true} is VALID [2020-07-08 21:47:44,797 INFO L280 TraceCheckUtils]: 24: Hoare triple {91#true} ~x := #in~x; {91#true} is VALID [2020-07-08 21:47:44,798 INFO L280 TraceCheckUtils]: 25: Hoare triple {91#true} #res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); {91#true} is VALID [2020-07-08 21:47:44,798 INFO L280 TraceCheckUtils]: 26: Hoare triple {91#true} assume true; {91#true} is VALID [2020-07-08 21:47:44,798 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {91#true} {92#false} #144#return; {92#false} is VALID [2020-07-08 21:47:44,799 INFO L280 TraceCheckUtils]: 28: Hoare triple {92#false} assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; {92#false} is VALID [2020-07-08 21:47:44,799 INFO L280 TraceCheckUtils]: 29: Hoare triple {92#false} assume 0 == #t~ret7; {92#false} is VALID [2020-07-08 21:47:44,799 INFO L280 TraceCheckUtils]: 30: Hoare triple {92#false} havoc #t~ret7; {92#false} is VALID [2020-07-08 21:47:44,800 INFO L280 TraceCheckUtils]: 31: Hoare triple {92#false} assume !false; {92#false} is VALID [2020-07-08 21:47:44,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 21:47:44,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1291185991] [2020-07-08 21:47:44,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 21:47:44,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-08 21:47:44,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329120406] [2020-07-08 21:47:44,815 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-07-08 21:47:44,818 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 21:47:44,821 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 21:47:44,880 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 21:47:44,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 21:47:44,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 21:47:44,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 21:47:44,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-08 21:47:44,892 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 4 states. [2020-07-08 21:47:45,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 21:47:45,545 INFO L93 Difference]: Finished difference Result 162 states and 186 transitions. [2020-07-08 21:47:45,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-08 21:47:45,546 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-07-08 21:47:45,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 21:47:45,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 21:47:45,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 186 transitions. [2020-07-08 21:47:45,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 21:47:45,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 186 transitions. [2020-07-08 21:47:45,600 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 186 transitions. [2020-07-08 21:47:45,811 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 186 edges. 186 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 21:47:45,827 INFO L225 Difference]: With dead ends: 162 [2020-07-08 21:47:45,827 INFO L226 Difference]: Without dead ends: 81 [2020-07-08 21:47:45,831 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 [2020-07-08 21:47:45,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-07-08 21:47:45,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-07-08 21:47:45,960 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 21:47:45,960 INFO L82 GeneralOperation]: Start isEquivalent. First operand 81 states. Second operand 81 states. [2020-07-08 21:47:45,961 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand 81 states. [2020-07-08 21:47:45,961 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 81 states. [2020-07-08 21:47:45,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 21:47:45,968 INFO L93 Difference]: Finished difference Result 81 states and 88 transitions. [2020-07-08 21:47:45,969 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2020-07-08 21:47:45,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 21:47:45,970 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 21:47:45,970 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand 81 states. [2020-07-08 21:47:45,971 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 81 states. [2020-07-08 21:47:45,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 21:47:45,978 INFO L93 Difference]: Finished difference Result 81 states and 88 transitions. [2020-07-08 21:47:45,978 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2020-07-08 21:47:45,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 21:47:45,979 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 21:47:45,979 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 21:47:45,980 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 21:47:45,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-07-08 21:47:45,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 88 transitions. [2020-07-08 21:47:45,987 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 88 transitions. Word has length 32 [2020-07-08 21:47:45,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 21:47:45,987 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 88 transitions. [2020-07-08 21:47:45,987 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 21:47:45,988 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 81 states and 88 transitions. [2020-07-08 21:47:46,124 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 88 edges. 88 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 21:47:46,125 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2020-07-08 21:47:46,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-08 21:47:46,127 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 21:47:46,127 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 21:47:46,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 21:47:46,128 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 21:47:46,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 21:47:46,128 INFO L82 PathProgramCache]: Analyzing trace with hash -480977931, now seen corresponding path program 1 times [2020-07-08 21:47:46,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 21:47:46,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2146880447] [2020-07-08 21:47:46,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 21:47:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 21:47:46,276 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 21:47:46,276 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.generateLinVar(LinArSolve.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.createEquality(LinArSolve.java:1974) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:83) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createAtom(EqualityProxy.java:165) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.getLiteral(EqualityProxy.java:186) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createCCEquality(EqualityProxy.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.mbtc(LinArSolve.java:1891) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.computeConflictClause(LinArSolve.java:664) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.checkConsistency(DPLLEngine.java:1012) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1159) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol$CheckType$1.check(SMTInterpol.java:117) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSatAssuming(SMTInterpol.java:494) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSat(SMTInterpol.java:446) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:214) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.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) [2020-07-08 21:47:46,285 INFO L168 Benchmark]: Toolchain (without parser) took 2982.73 ms. Allocated memory was 137.4 MB in the beginning and 248.0 MB in the end (delta: 110.6 MB). Free memory was 102.4 MB in the beginning and 207.5 MB in the end (delta: -105.0 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2020-07-08 21:47:46,286 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: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-08 21:47:46,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.62 ms. Allocated memory is still 137.4 MB. Free memory was 102.2 MB in the beginning and 90.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2020-07-08 21:47:46,290 INFO L168 Benchmark]: Boogie Preprocessor took 136.94 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 90.1 MB in the beginning and 177.9 MB in the end (delta: -87.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2020-07-08 21:47:46,290 INFO L168 Benchmark]: RCFGBuilder took 689.05 ms. Allocated memory is still 201.3 MB. Free memory was 177.9 MB in the beginning and 140.2 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB. [2020-07-08 21:47:46,292 INFO L168 Benchmark]: TraceAbstraction took 1860.48 ms. Allocated memory was 201.3 MB in the beginning and 248.0 MB in the end (delta: 46.7 MB). Free memory was 139.5 MB in the beginning and 207.5 MB in the end (delta: -68.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-08 21:47:46,303 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: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 289.62 ms. Allocated memory is still 137.4 MB. Free memory was 102.2 MB in the beginning and 90.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.94 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 90.1 MB in the beginning and 177.9 MB in the end (delta: -87.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 689.05 ms. Allocated memory is still 201.3 MB. Free memory was 177.9 MB in the beginning and 140.2 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1860.48 ms. Allocated memory was 201.3 MB in the beginning and 248.0 MB in the end (delta: 46.7 MB). Free memory was 139.5 MB in the beginning and 207.5 MB in the end (delta: -68.0 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...