/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0730a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 15:54:01,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 15:54:01,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 15:54:01,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 15:54:01,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 15:54:01,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 15:54:01,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 15:54:01,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 15:54:01,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 15:54:01,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 15:54:01,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 15:54:01,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 15:54:01,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 15:54:01,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 15:54:01,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 15:54:01,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 15:54:01,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 15:54:01,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 15:54:01,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 15:54:01,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 15:54:01,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 15:54:01,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 15:54:01,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 15:54:01,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 15:54:01,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 15:54:01,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 15:54:01,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 15:54:01,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 15:54:01,592 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 15:54:01,620 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 15:54:01,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 15:54:01,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 15:54:01,625 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 15:54:01,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 15:54:01,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 15:54:01,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 15:54:01,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 15:54:01,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 15:54:01,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 15:54:01,626 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 15:54:01,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 15:54:01,628 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 15:54:01,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 15:54:01,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 15:54:01,629 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 15:54:01,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 15:54:01,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 15:54:01,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 15:54:01,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 15:54:01,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 15:54:01,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 15:54:01,630 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-08 15:54:01,893 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 15:54:01,908 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 15:54:01,911 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 15:54:01,913 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 15:54:01,913 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 15:54:01,914 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0730a.c [2020-07-08 15:54:01,986 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f988ecd0/ec45095796ea43758f7618c938d2dbf6/FLAGfa13d246b [2020-07-08 15:54:02,466 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 15:54:02,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0730a.c [2020-07-08 15:54:02,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f988ecd0/ec45095796ea43758f7618c938d2dbf6/FLAGfa13d246b [2020-07-08 15:54:02,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f988ecd0/ec45095796ea43758f7618c938d2dbf6 [2020-07-08 15:54:02,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 15:54:02,817 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 15:54:02,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 15:54:02,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 15:54:02,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 15:54:02,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 03:54:02" (1/1) ... [2020-07-08 15:54:02,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@295253bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:02, skipping insertion in model container [2020-07-08 15:54:02,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 03:54:02" (1/1) ... [2020-07-08 15:54:02,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 15:54:02,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 15:54:03,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 15:54:03,080 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 15:54:03,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 15:54:03,239 INFO L208 MainTranslator]: Completed translation [2020-07-08 15:54:03,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:03 WrapperNode [2020-07-08 15:54:03,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 15:54:03,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 15:54:03,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 15:54:03,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 15:54:03,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:03" (1/1) ... [2020-07-08 15:54:03,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:03" (1/1) ... [2020-07-08 15:54:03,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:03" (1/1) ... [2020-07-08 15:54:03,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:03" (1/1) ... [2020-07-08 15:54:03,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:03" (1/1) ... [2020-07-08 15:54:03,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:03" (1/1) ... [2020-07-08 15:54:03,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:03" (1/1) ... [2020-07-08 15:54:03,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 15:54:03,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 15:54:03,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 15:54:03,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 15:54:03,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:03" (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 15:54:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 15:54:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 15:54:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2020-07-08 15:54:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2020-07-08 15:54:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 15:54:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 15:54:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-07-08 15:54:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2020-07-08 15:54:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 15:54:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-08 15:54:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 15:54:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 15:54:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 15:54:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-08 15:54:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2020-07-08 15:54:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 15:54:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 15:54:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 15:54:03,996 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 15:54:03,997 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-08 15:54:04,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 03:54:04 BoogieIcfgContainer [2020-07-08 15:54:04,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 15:54:04,004 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 15:54:04,004 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 15:54:04,007 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 15:54:04,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 03:54:02" (1/3) ... [2020-07-08 15:54:04,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e08899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 03:54:04, skipping insertion in model container [2020-07-08 15:54:04,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:54:03" (2/3) ... [2020-07-08 15:54:04,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e08899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 03:54:04, skipping insertion in model container [2020-07-08 15:54:04,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 03:54:04" (3/3) ... [2020-07-08 15:54:04,012 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730a.c [2020-07-08 15:54:04,023 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 15:54:04,030 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 15:54:04,044 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 15:54:04,064 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 15:54:04,064 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 15:54:04,064 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-08 15:54:04,064 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 15:54:04,066 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 15:54:04,066 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 15:54:04,066 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 15:54:04,066 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 15:54:04,084 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2020-07-08 15:54:04,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-07-08 15:54:04,097 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 15:54:04,098 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] [2020-07-08 15:54:04,098 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 15:54:04,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 15:54:04,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1347664399, now seen corresponding path program 1 times [2020-07-08 15:54:04,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 15:54:04,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [216638384] [2020-07-08 15:54:04,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 15:54:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:54:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:54:04,328 INFO L280 TraceCheckUtils]: 0: Hoare triple {152#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} #NULL.base, #NULL.offset := 0, 0; {120#true} is VALID [2020-07-08 15:54:04,329 INFO L280 TraceCheckUtils]: 1: Hoare triple {120#true} #valid := #valid[0 := 0]; {120#true} is VALID [2020-07-08 15:54:04,329 INFO L280 TraceCheckUtils]: 2: Hoare triple {120#true} assume 0 < #StackHeapBarrier; {120#true} is VALID [2020-07-08 15:54:04,330 INFO L280 TraceCheckUtils]: 3: Hoare triple {120#true} ~one_sqrt~0 := 1.0; {120#true} is VALID [2020-07-08 15:54:04,331 INFO L280 TraceCheckUtils]: 4: Hoare triple {120#true} ~tiny_sqrt~0 := 1.0E-30; {120#true} is VALID [2020-07-08 15:54:04,331 INFO L280 TraceCheckUtils]: 5: Hoare triple {120#true} assume true; {120#true} is VALID [2020-07-08 15:54:04,332 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {120#true} {120#true} #211#return; {120#true} is VALID [2020-07-08 15:54:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:54:04,375 INFO L280 TraceCheckUtils]: 0: Hoare triple {153#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {120#true} is VALID [2020-07-08 15:54:04,375 INFO L280 TraceCheckUtils]: 1: Hoare triple {120#true} havoc ~z~0; {120#true} is VALID [2020-07-08 15:54:04,376 INFO L280 TraceCheckUtils]: 2: Hoare triple {120#true} havoc ~r~0; {120#true} is VALID [2020-07-08 15:54:04,376 INFO L280 TraceCheckUtils]: 3: Hoare triple {120#true} havoc ~hx~0; {120#true} is VALID [2020-07-08 15:54:04,376 INFO L280 TraceCheckUtils]: 4: Hoare triple {120#true} havoc ~ix~0; {120#true} is VALID [2020-07-08 15:54:04,377 INFO L280 TraceCheckUtils]: 5: Hoare triple {120#true} havoc ~s~0; {120#true} is VALID [2020-07-08 15:54:04,377 INFO L280 TraceCheckUtils]: 6: Hoare triple {120#true} havoc ~q~0; {120#true} is VALID [2020-07-08 15:54:04,377 INFO L280 TraceCheckUtils]: 7: Hoare triple {120#true} havoc ~m~0; {120#true} is VALID [2020-07-08 15:54:04,378 INFO L280 TraceCheckUtils]: 8: Hoare triple {120#true} havoc ~t~0; {120#true} is VALID [2020-07-08 15:54:04,378 INFO L280 TraceCheckUtils]: 9: Hoare triple {120#true} havoc ~i~0; {120#true} is VALID [2020-07-08 15:54:04,379 INFO L280 TraceCheckUtils]: 10: Hoare triple {120#true} assume !true; {121#false} is VALID [2020-07-08 15:54:04,379 INFO L280 TraceCheckUtils]: 11: Hoare triple {121#false} ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); {121#false} is VALID [2020-07-08 15:54:04,380 INFO L280 TraceCheckUtils]: 12: Hoare triple {121#false} assume !(~hx~0 % 4294967296 < 2139095040); {121#false} is VALID [2020-07-08 15:54:04,380 INFO L280 TraceCheckUtils]: 13: Hoare triple {121#false} #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); {121#false} is VALID [2020-07-08 15:54:04,381 INFO L280 TraceCheckUtils]: 14: Hoare triple {121#false} assume true; {121#false} is VALID [2020-07-08 15:54:04,381 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {121#false} {120#true} #207#return; {121#false} is VALID [2020-07-08 15:54:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:54:04,396 INFO L280 TraceCheckUtils]: 0: Hoare triple {153#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {120#true} is VALID [2020-07-08 15:54:04,396 INFO L280 TraceCheckUtils]: 1: Hoare triple {120#true} havoc ~ix~1; {120#true} is VALID [2020-07-08 15:54:04,397 INFO L280 TraceCheckUtils]: 2: Hoare triple {120#true} assume !true; {121#false} is VALID [2020-07-08 15:54:04,398 INFO L280 TraceCheckUtils]: 3: Hoare triple {121#false} ~ix~1 := ~bitwiseAnd(~ix~1, 2147483647); {121#false} is VALID [2020-07-08 15:54:04,398 INFO L280 TraceCheckUtils]: 4: Hoare triple {121#false} #res := (if 2139095040 == ~ix~1 then 1 else 0); {121#false} is VALID [2020-07-08 15:54:04,399 INFO L280 TraceCheckUtils]: 5: Hoare triple {121#false} assume true; {121#false} is VALID [2020-07-08 15:54:04,399 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {121#false} {121#false} #209#return; {121#false} is VALID [2020-07-08 15:54:04,402 INFO L263 TraceCheckUtils]: 0: Hoare triple {120#true} call ULTIMATE.init(); {152#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} is VALID [2020-07-08 15:54:04,402 INFO L280 TraceCheckUtils]: 1: Hoare triple {152#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} #NULL.base, #NULL.offset := 0, 0; {120#true} is VALID [2020-07-08 15:54:04,403 INFO L280 TraceCheckUtils]: 2: Hoare triple {120#true} #valid := #valid[0 := 0]; {120#true} is VALID [2020-07-08 15:54:04,403 INFO L280 TraceCheckUtils]: 3: Hoare triple {120#true} assume 0 < #StackHeapBarrier; {120#true} is VALID [2020-07-08 15:54:04,403 INFO L280 TraceCheckUtils]: 4: Hoare triple {120#true} ~one_sqrt~0 := 1.0; {120#true} is VALID [2020-07-08 15:54:04,404 INFO L280 TraceCheckUtils]: 5: Hoare triple {120#true} ~tiny_sqrt~0 := 1.0E-30; {120#true} is VALID [2020-07-08 15:54:04,404 INFO L280 TraceCheckUtils]: 6: Hoare triple {120#true} assume true; {120#true} is VALID [2020-07-08 15:54:04,405 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {120#true} {120#true} #211#return; {120#true} is VALID [2020-07-08 15:54:04,405 INFO L263 TraceCheckUtils]: 8: Hoare triple {120#true} call #t~ret9 := main(); {120#true} is VALID [2020-07-08 15:54:04,405 INFO L280 TraceCheckUtils]: 9: Hoare triple {120#true} ~x~0 := ~someBinaryArithmeticFLOAToperation(1.0, 0.0); {120#true} is VALID [2020-07-08 15:54:04,407 INFO L263 TraceCheckUtils]: 10: Hoare triple {120#true} call #t~ret7 := __ieee754_sqrtf(~x~0); {153#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 15:54:04,408 INFO L280 TraceCheckUtils]: 11: Hoare triple {153#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {120#true} is VALID [2020-07-08 15:54:04,408 INFO L280 TraceCheckUtils]: 12: Hoare triple {120#true} havoc ~z~0; {120#true} is VALID [2020-07-08 15:54:04,409 INFO L280 TraceCheckUtils]: 13: Hoare triple {120#true} havoc ~r~0; {120#true} is VALID [2020-07-08 15:54:04,409 INFO L280 TraceCheckUtils]: 14: Hoare triple {120#true} havoc ~hx~0; {120#true} is VALID [2020-07-08 15:54:04,410 INFO L280 TraceCheckUtils]: 15: Hoare triple {120#true} havoc ~ix~0; {120#true} is VALID [2020-07-08 15:54:04,410 INFO L280 TraceCheckUtils]: 16: Hoare triple {120#true} havoc ~s~0; {120#true} is VALID [2020-07-08 15:54:04,410 INFO L280 TraceCheckUtils]: 17: Hoare triple {120#true} havoc ~q~0; {120#true} is VALID [2020-07-08 15:54:04,411 INFO L280 TraceCheckUtils]: 18: Hoare triple {120#true} havoc ~m~0; {120#true} is VALID [2020-07-08 15:54:04,411 INFO L280 TraceCheckUtils]: 19: Hoare triple {120#true} havoc ~t~0; {120#true} is VALID [2020-07-08 15:54:04,411 INFO L280 TraceCheckUtils]: 20: Hoare triple {120#true} havoc ~i~0; {120#true} is VALID [2020-07-08 15:54:04,413 INFO L280 TraceCheckUtils]: 21: Hoare triple {120#true} assume !true; {121#false} is VALID [2020-07-08 15:54:04,413 INFO L280 TraceCheckUtils]: 22: Hoare triple {121#false} ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); {121#false} is VALID [2020-07-08 15:54:04,413 INFO L280 TraceCheckUtils]: 23: Hoare triple {121#false} assume !(~hx~0 % 4294967296 < 2139095040); {121#false} is VALID [2020-07-08 15:54:04,414 INFO L280 TraceCheckUtils]: 24: Hoare triple {121#false} #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); {121#false} is VALID [2020-07-08 15:54:04,414 INFO L280 TraceCheckUtils]: 25: Hoare triple {121#false} assume true; {121#false} is VALID [2020-07-08 15:54:04,415 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {121#false} {120#true} #207#return; {121#false} is VALID [2020-07-08 15:54:04,415 INFO L280 TraceCheckUtils]: 27: Hoare triple {121#false} ~res~0 := #t~ret7; {121#false} is VALID [2020-07-08 15:54:04,415 INFO L280 TraceCheckUtils]: 28: Hoare triple {121#false} havoc #t~ret7; {121#false} is VALID [2020-07-08 15:54:04,416 INFO L263 TraceCheckUtils]: 29: Hoare triple {121#false} call #t~ret8 := isinf_float(~res~0); {153#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 15:54:04,416 INFO L280 TraceCheckUtils]: 30: Hoare triple {153#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {120#true} is VALID [2020-07-08 15:54:04,417 INFO L280 TraceCheckUtils]: 31: Hoare triple {120#true} havoc ~ix~1; {120#true} is VALID [2020-07-08 15:54:04,418 INFO L280 TraceCheckUtils]: 32: Hoare triple {120#true} assume !true; {121#false} is VALID [2020-07-08 15:54:04,418 INFO L280 TraceCheckUtils]: 33: Hoare triple {121#false} ~ix~1 := ~bitwiseAnd(~ix~1, 2147483647); {121#false} is VALID [2020-07-08 15:54:04,418 INFO L280 TraceCheckUtils]: 34: Hoare triple {121#false} #res := (if 2139095040 == ~ix~1 then 1 else 0); {121#false} is VALID [2020-07-08 15:54:04,419 INFO L280 TraceCheckUtils]: 35: Hoare triple {121#false} assume true; {121#false} is VALID [2020-07-08 15:54:04,419 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {121#false} {121#false} #209#return; {121#false} is VALID [2020-07-08 15:54:04,420 INFO L280 TraceCheckUtils]: 37: Hoare triple {121#false} assume -2147483648 <= #t~ret8 && #t~ret8 <= 2147483647; {121#false} is VALID [2020-07-08 15:54:04,420 INFO L280 TraceCheckUtils]: 38: Hoare triple {121#false} assume 0 == #t~ret8; {121#false} is VALID [2020-07-08 15:54:04,421 INFO L280 TraceCheckUtils]: 39: Hoare triple {121#false} havoc #t~ret8; {121#false} is VALID [2020-07-08 15:54:04,421 INFO L280 TraceCheckUtils]: 40: Hoare triple {121#false} assume !false; {121#false} is VALID [2020-07-08 15:54:04,427 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 15:54:04,427 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 15:54:04,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [216638384] [2020-07-08 15:54:04,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 15:54:04,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-08 15:54:04,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026336433] [2020-07-08 15:54:04,440 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-07-08 15:54:04,443 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 15:54:04,448 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 15:54:04,543 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:54:04,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 15:54:04,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 15:54:04,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 15:54:04,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-08 15:54:04,556 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 4 states. [2020-07-08 15:54:05,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:54:05,337 INFO L93 Difference]: Finished difference Result 212 states and 251 transitions. [2020-07-08 15:54:05,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-08 15:54:05,337 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-07-08 15:54:05,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 15:54:05,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 15:54:05,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 251 transitions. [2020-07-08 15:54:05,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 15:54:05,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 251 transitions. [2020-07-08 15:54:05,366 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 251 transitions. [2020-07-08 15:54:05,757 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 251 edges. 251 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:54:05,782 INFO L225 Difference]: With dead ends: 212 [2020-07-08 15:54:05,783 INFO L226 Difference]: Without dead ends: 110 [2020-07-08 15:54:05,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 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 15:54:05,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-07-08 15:54:05,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-07-08 15:54:05,947 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 15:54:05,947 INFO L82 GeneralOperation]: Start isEquivalent. First operand 110 states. Second operand 110 states. [2020-07-08 15:54:05,948 INFO L74 IsIncluded]: Start isIncluded. First operand 110 states. Second operand 110 states. [2020-07-08 15:54:05,948 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 110 states. [2020-07-08 15:54:05,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:54:05,966 INFO L93 Difference]: Finished difference Result 110 states and 120 transitions. [2020-07-08 15:54:05,966 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 120 transitions. [2020-07-08 15:54:05,968 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:54:05,968 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:54:05,968 INFO L74 IsIncluded]: Start isIncluded. First operand 110 states. Second operand 110 states. [2020-07-08 15:54:05,968 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 110 states. [2020-07-08 15:54:05,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:54:05,987 INFO L93 Difference]: Finished difference Result 110 states and 120 transitions. [2020-07-08 15:54:05,988 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 120 transitions. [2020-07-08 15:54:05,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:54:05,990 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:54:05,991 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 15:54:05,991 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 15:54:05,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-07-08 15:54:05,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 120 transitions. [2020-07-08 15:54:06,000 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 120 transitions. Word has length 41 [2020-07-08 15:54:06,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 15:54:06,001 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 120 transitions. [2020-07-08 15:54:06,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 15:54:06,001 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 110 states and 120 transitions. [2020-07-08 15:54:06,145 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 120 edges. 120 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:54:06,146 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 120 transitions. [2020-07-08 15:54:06,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-08 15:54:06,148 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 15:54:06,148 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 15:54:06,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 15:54:06,150 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 15:54:06,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 15:54:06,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1528682335, now seen corresponding path program 1 times [2020-07-08 15:54:06,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 15:54:06,152 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [538012036] [2020-07-08 15:54:06,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 15:54:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 15:54:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 15:54:06,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 15:54:06,379 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:1145) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getValue(SMTInterpol.java:1014) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getValue(WrapperScript.java:193) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getValue(WrapperScript.java:193) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.getValues(SmtUtils.java:2102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.getValue(TraceCheck.java:407) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.lambda$0(TraceCheck.java:381) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecution(TraceCheck.java:390) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecutionAndDecodeBranches(TraceCheck.java:349) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecutionAndDecodeBranches(TraceCheck.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:96) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:100) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.Interpolator.generateInterpolantsCraigNested(Interpolator.java:146) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.Interpolator.generateInterpolants(Interpolator.java:102) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.acceleratedInterpolationCore(AcceleratedInterpolation.java:266) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-08 15:54:06,385 INFO L168 Benchmark]: Toolchain (without parser) took 3568.83 ms. Allocated memory was 139.5 MB in the beginning and 244.3 MB in the end (delta: 104.9 MB). Free memory was 103.6 MB in the beginning and 116.8 MB in the end (delta: -13.2 MB). Peak memory consumption was 91.7 MB. Max. memory is 7.1 GB. [2020-07-08 15:54:06,386 INFO L168 Benchmark]: CDTParser took 0.84 ms. Allocated memory is still 139.5 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-08 15:54:06,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.62 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 103.4 MB in the beginning and 183.0 MB in the end (delta: -79.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2020-07-08 15:54:06,391 INFO L168 Benchmark]: Boogie Preprocessor took 62.91 ms. Allocated memory is still 204.5 MB. Free memory was 183.0 MB in the beginning and 180.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-07-08 15:54:06,392 INFO L168 Benchmark]: RCFGBuilder took 698.52 ms. Allocated memory is still 204.5 MB. Free memory was 180.6 MB in the beginning and 135.2 MB in the end (delta: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 7.1 GB. [2020-07-08 15:54:06,393 INFO L168 Benchmark]: TraceAbstraction took 2378.46 ms. Allocated memory was 204.5 MB in the beginning and 244.3 MB in the end (delta: 39.8 MB). Free memory was 135.2 MB in the beginning and 116.8 MB in the end (delta: 18.4 MB). Peak memory consumption was 58.3 MB. Max. memory is 7.1 GB. [2020-07-08 15:54:06,397 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 0.84 ms. Allocated memory is still 139.5 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 418.62 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 103.4 MB in the beginning and 183.0 MB in the end (delta: -79.5 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.91 ms. Allocated memory is still 204.5 MB. Free memory was 183.0 MB in the beginning and 180.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 698.52 ms. Allocated memory is still 204.5 MB. Free memory was 180.6 MB in the beginning and 135.2 MB in the end (delta: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2378.46 ms. Allocated memory was 204.5 MB in the beginning and 244.3 MB in the end (delta: 39.8 MB). Free memory was 135.2 MB in the beginning and 116.8 MB in the end (delta: 18.4 MB). Peak memory consumption was 58.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.model.Model.map(Model.java:227) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...