/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/double_req_bl_0720.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 18:34:29,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 18:34:29,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 18:34:29,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 18:34:29,444 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 18:34:29,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 18:34:29,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 18:34:29,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 18:34:29,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 18:34:29,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 18:34:29,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 18:34:29,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 18:34:29,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 18:34:29,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 18:34:29,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 18:34:29,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 18:34:29,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 18:34:29,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 18:34:29,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 18:34:29,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 18:34:29,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 18:34:29,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 18:34:29,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 18:34:29,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 18:34:29,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 18:34:29,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 18:34:29,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 18:34:29,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 18:34:29,516 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-10 18:34:29,527 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 18:34:29,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 18:34:29,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 18:34:29,530 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 18:34:29,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 18:34:29,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 18:34:29,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 18:34:29,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 18:34:29,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 18:34:29,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 18:34:29,532 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 18:34:29,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 18:34:29,533 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 18:34:29,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 18:34:29,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 18:34:29,535 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 18:34:29,536 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 18:34:29,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 18:34:29,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 18:34:29,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 18:34:29,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 18:34:29,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 18:34:29,537 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 18:34:29,824 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 18:34:29,839 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 18:34:29,842 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 18:34:29,844 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 18:34:29,845 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 18:34:29,846 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0720.c [2020-07-10 18:34:29,922 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8b1ace31/8ab06b21dab049e0825d720ecca309b7/FLAGd3219bf49 [2020-07-10 18:34:30,396 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 18:34:30,396 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0720.c [2020-07-10 18:34:30,409 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8b1ace31/8ab06b21dab049e0825d720ecca309b7/FLAGd3219bf49 [2020-07-10 18:34:30,785 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8b1ace31/8ab06b21dab049e0825d720ecca309b7 [2020-07-10 18:34:30,796 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 18:34:30,798 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 18:34:30,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 18:34:30,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 18:34:30,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 18:34:30,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:34:30" (1/1) ... [2020-07-10 18:34:30,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a25d9c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:30, skipping insertion in model container [2020-07-10 18:34:30,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:34:30" (1/1) ... [2020-07-10 18:34:30,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 18:34:30,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 18:34:31,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:34:31,065 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 18:34:31,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:34:31,256 INFO L208 MainTranslator]: Completed translation [2020-07-10 18:34:31,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:31 WrapperNode [2020-07-10 18:34:31,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 18:34:31,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 18:34:31,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 18:34:31,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 18:34:31,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:31" (1/1) ... [2020-07-10 18:34:31,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:31" (1/1) ... [2020-07-10 18:34:31,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:31" (1/1) ... [2020-07-10 18:34:31,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:31" (1/1) ... [2020-07-10 18:34:31,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:31" (1/1) ... [2020-07-10 18:34:31,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:31" (1/1) ... [2020-07-10 18:34:31,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:31" (1/1) ... [2020-07-10 18:34:31,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 18:34:31,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 18:34:31,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 18:34:31,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 18:34:31,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 18:34:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 18:34:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 18:34:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-10 18:34:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2020-07-10 18:34:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 18:34:31,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 18:34:31,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-10 18:34:31,386 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-10 18:34:31,386 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2020-07-10 18:34:31,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 18:34:31,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-10 18:34:31,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 18:34:31,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 18:34:31,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 18:34:31,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-10 18:34:31,387 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 18:34:31,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 18:34:31,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 18:34:32,283 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 18:34:32,284 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-10 18:34:32,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:34:32 BoogieIcfgContainer [2020-07-10 18:34:32,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 18:34:32,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 18:34:32,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 18:34:32,295 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 18:34:32,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 06:34:30" (1/3) ... [2020-07-10 18:34:32,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d33d57a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:34:32, skipping insertion in model container [2020-07-10 18:34:32,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:31" (2/3) ... [2020-07-10 18:34:32,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d33d57a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:34:32, skipping insertion in model container [2020-07-10 18:34:32,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:34:32" (3/3) ... [2020-07-10 18:34:32,299 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0720.c [2020-07-10 18:34:32,310 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 18:34:32,317 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 18:34:32,328 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 18:34:32,347 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 18:34:32,348 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 18:34:32,348 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 18:34:32,348 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 18:34:32,348 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 18:34:32,348 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 18:34:32,348 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 18:34:32,348 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 18:34:32,365 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-07-10 18:34:32,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-07-10 18:34:32,378 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:34:32,379 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] [2020-07-10 18:34:32,379 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:34:32,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:34:32,386 INFO L82 PathProgramCache]: Analyzing trace with hash 328834373, now seen corresponding path program 1 times [2020-07-10 18:34:32,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:34:32,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [57749227] [2020-07-10 18:34:32,397 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:34:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:34:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:34:32,619 INFO L280 TraceCheckUtils]: 0: Hoare triple {186#(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; {154#true} is VALID [2020-07-10 18:34:32,620 INFO L280 TraceCheckUtils]: 1: Hoare triple {154#true} #valid := #valid[0 := 0]; {154#true} is VALID [2020-07-10 18:34:32,621 INFO L280 TraceCheckUtils]: 2: Hoare triple {154#true} assume 0 < #StackHeapBarrier; {154#true} is VALID [2020-07-10 18:34:32,622 INFO L280 TraceCheckUtils]: 3: Hoare triple {154#true} ~one_sqrt~0 := 1.0; {154#true} is VALID [2020-07-10 18:34:32,622 INFO L280 TraceCheckUtils]: 4: Hoare triple {154#true} ~tiny_sqrt~0 := 1.0E-300; {154#true} is VALID [2020-07-10 18:34:32,623 INFO L280 TraceCheckUtils]: 5: Hoare triple {154#true} assume true; {154#true} is VALID [2020-07-10 18:34:32,623 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {154#true} {154#true} #291#return; {154#true} is VALID [2020-07-10 18:34:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:34:32,660 INFO L280 TraceCheckUtils]: 0: Hoare triple {187#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {154#true} is VALID [2020-07-10 18:34:32,661 INFO L280 TraceCheckUtils]: 1: Hoare triple {154#true} havoc ~z~0; {154#true} is VALID [2020-07-10 18:34:32,662 INFO L280 TraceCheckUtils]: 2: Hoare triple {154#true} ~sign~0 := -2147483648; {154#true} is VALID [2020-07-10 18:34:32,662 INFO L280 TraceCheckUtils]: 3: Hoare triple {154#true} havoc ~r~0; {154#true} is VALID [2020-07-10 18:34:32,662 INFO L280 TraceCheckUtils]: 4: Hoare triple {154#true} havoc ~t1~0; {154#true} is VALID [2020-07-10 18:34:32,663 INFO L280 TraceCheckUtils]: 5: Hoare triple {154#true} havoc ~s1~0; {154#true} is VALID [2020-07-10 18:34:32,663 INFO L280 TraceCheckUtils]: 6: Hoare triple {154#true} havoc ~ix1~0; {154#true} is VALID [2020-07-10 18:34:32,664 INFO L280 TraceCheckUtils]: 7: Hoare triple {154#true} havoc ~q1~0; {154#true} is VALID [2020-07-10 18:34:32,664 INFO L280 TraceCheckUtils]: 8: Hoare triple {154#true} havoc ~ix0~0; {154#true} is VALID [2020-07-10 18:34:32,665 INFO L280 TraceCheckUtils]: 9: Hoare triple {154#true} havoc ~s0~0; {154#true} is VALID [2020-07-10 18:34:32,665 INFO L280 TraceCheckUtils]: 10: Hoare triple {154#true} havoc ~q~0; {154#true} is VALID [2020-07-10 18:34:32,665 INFO L280 TraceCheckUtils]: 11: Hoare triple {154#true} havoc ~m~0; {154#true} is VALID [2020-07-10 18:34:32,666 INFO L280 TraceCheckUtils]: 12: Hoare triple {154#true} havoc ~t~0; {154#true} is VALID [2020-07-10 18:34:32,666 INFO L280 TraceCheckUtils]: 13: Hoare triple {154#true} havoc ~i~0; {154#true} is VALID [2020-07-10 18:34:32,668 INFO L280 TraceCheckUtils]: 14: Hoare triple {154#true} assume !true; {155#false} is VALID [2020-07-10 18:34:32,668 INFO L280 TraceCheckUtils]: 15: Hoare triple {155#false} assume 2146435072 == ~bitwiseAnd(~ix0~0, 2146435072); {155#false} is VALID [2020-07-10 18:34:32,669 INFO L280 TraceCheckUtils]: 16: Hoare triple {155#false} #res := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x, ~x), ~x); {155#false} is VALID [2020-07-10 18:34:32,669 INFO L280 TraceCheckUtils]: 17: Hoare triple {155#false} assume true; {155#false} is VALID [2020-07-10 18:34:32,669 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {155#false} {154#true} #287#return; {155#false} is VALID [2020-07-10 18:34:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:34:32,683 INFO L280 TraceCheckUtils]: 0: Hoare triple {154#true} ~x := #in~x; {154#true} is VALID [2020-07-10 18:34:32,684 INFO L280 TraceCheckUtils]: 1: Hoare triple {154#true} #res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); {154#true} is VALID [2020-07-10 18:34:32,684 INFO L280 TraceCheckUtils]: 2: Hoare triple {154#true} assume true; {154#true} is VALID [2020-07-10 18:34:32,685 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {154#true} {155#false} #289#return; {155#false} is VALID [2020-07-10 18:34:32,705 INFO L263 TraceCheckUtils]: 0: Hoare triple {154#true} call ULTIMATE.init(); {186#(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 [2020-07-10 18:34:32,705 INFO L280 TraceCheckUtils]: 1: Hoare triple {186#(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; {154#true} is VALID [2020-07-10 18:34:32,706 INFO L280 TraceCheckUtils]: 2: Hoare triple {154#true} #valid := #valid[0 := 0]; {154#true} is VALID [2020-07-10 18:34:32,706 INFO L280 TraceCheckUtils]: 3: Hoare triple {154#true} assume 0 < #StackHeapBarrier; {154#true} is VALID [2020-07-10 18:34:32,706 INFO L280 TraceCheckUtils]: 4: Hoare triple {154#true} ~one_sqrt~0 := 1.0; {154#true} is VALID [2020-07-10 18:34:32,707 INFO L280 TraceCheckUtils]: 5: Hoare triple {154#true} ~tiny_sqrt~0 := 1.0E-300; {154#true} is VALID [2020-07-10 18:34:32,707 INFO L280 TraceCheckUtils]: 6: Hoare triple {154#true} assume true; {154#true} is VALID [2020-07-10 18:34:32,707 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {154#true} {154#true} #291#return; {154#true} is VALID [2020-07-10 18:34:32,708 INFO L263 TraceCheckUtils]: 8: Hoare triple {154#true} call #t~ret9 := main(); {154#true} is VALID [2020-07-10 18:34:32,708 INFO L280 TraceCheckUtils]: 9: Hoare triple {154#true} ~x~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0); {154#true} is VALID [2020-07-10 18:34:32,714 INFO L263 TraceCheckUtils]: 10: Hoare triple {154#true} call #t~ret7 := __ieee754_sqrt(~x~0); {187#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 18:34:32,714 INFO L280 TraceCheckUtils]: 11: Hoare triple {187#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {154#true} is VALID [2020-07-10 18:34:32,714 INFO L280 TraceCheckUtils]: 12: Hoare triple {154#true} havoc ~z~0; {154#true} is VALID [2020-07-10 18:34:32,714 INFO L280 TraceCheckUtils]: 13: Hoare triple {154#true} ~sign~0 := -2147483648; {154#true} is VALID [2020-07-10 18:34:32,715 INFO L280 TraceCheckUtils]: 14: Hoare triple {154#true} havoc ~r~0; {154#true} is VALID [2020-07-10 18:34:32,715 INFO L280 TraceCheckUtils]: 15: Hoare triple {154#true} havoc ~t1~0; {154#true} is VALID [2020-07-10 18:34:32,715 INFO L280 TraceCheckUtils]: 16: Hoare triple {154#true} havoc ~s1~0; {154#true} is VALID [2020-07-10 18:34:32,715 INFO L280 TraceCheckUtils]: 17: Hoare triple {154#true} havoc ~ix1~0; {154#true} is VALID [2020-07-10 18:34:32,716 INFO L280 TraceCheckUtils]: 18: Hoare triple {154#true} havoc ~q1~0; {154#true} is VALID [2020-07-10 18:34:32,716 INFO L280 TraceCheckUtils]: 19: Hoare triple {154#true} havoc ~ix0~0; {154#true} is VALID [2020-07-10 18:34:32,716 INFO L280 TraceCheckUtils]: 20: Hoare triple {154#true} havoc ~s0~0; {154#true} is VALID [2020-07-10 18:34:32,717 INFO L280 TraceCheckUtils]: 21: Hoare triple {154#true} havoc ~q~0; {154#true} is VALID [2020-07-10 18:34:32,717 INFO L280 TraceCheckUtils]: 22: Hoare triple {154#true} havoc ~m~0; {154#true} is VALID [2020-07-10 18:34:32,717 INFO L280 TraceCheckUtils]: 23: Hoare triple {154#true} havoc ~t~0; {154#true} is VALID [2020-07-10 18:34:32,718 INFO L280 TraceCheckUtils]: 24: Hoare triple {154#true} havoc ~i~0; {154#true} is VALID [2020-07-10 18:34:32,719 INFO L280 TraceCheckUtils]: 25: Hoare triple {154#true} assume !true; {155#false} is VALID [2020-07-10 18:34:32,719 INFO L280 TraceCheckUtils]: 26: Hoare triple {155#false} assume 2146435072 == ~bitwiseAnd(~ix0~0, 2146435072); {155#false} is VALID [2020-07-10 18:34:32,720 INFO L280 TraceCheckUtils]: 27: Hoare triple {155#false} #res := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x, ~x), ~x); {155#false} is VALID [2020-07-10 18:34:32,720 INFO L280 TraceCheckUtils]: 28: Hoare triple {155#false} assume true; {155#false} is VALID [2020-07-10 18:34:32,720 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {155#false} {154#true} #287#return; {155#false} is VALID [2020-07-10 18:34:32,721 INFO L280 TraceCheckUtils]: 30: Hoare triple {155#false} ~res~0 := #t~ret7; {155#false} is VALID [2020-07-10 18:34:32,721 INFO L280 TraceCheckUtils]: 31: Hoare triple {155#false} havoc #t~ret7; {155#false} is VALID [2020-07-10 18:34:32,721 INFO L263 TraceCheckUtils]: 32: Hoare triple {155#false} call #t~ret8 := isnan_double(~res~0); {154#true} is VALID [2020-07-10 18:34:32,722 INFO L280 TraceCheckUtils]: 33: Hoare triple {154#true} ~x := #in~x; {154#true} is VALID [2020-07-10 18:34:32,722 INFO L280 TraceCheckUtils]: 34: Hoare triple {154#true} #res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); {154#true} is VALID [2020-07-10 18:34:32,722 INFO L280 TraceCheckUtils]: 35: Hoare triple {154#true} assume true; {154#true} is VALID [2020-07-10 18:34:32,723 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {154#true} {155#false} #289#return; {155#false} is VALID [2020-07-10 18:34:32,723 INFO L280 TraceCheckUtils]: 37: Hoare triple {155#false} assume -2147483648 <= #t~ret8 && #t~ret8 <= 2147483647; {155#false} is VALID [2020-07-10 18:34:32,723 INFO L280 TraceCheckUtils]: 38: Hoare triple {155#false} assume 0 == #t~ret8; {155#false} is VALID [2020-07-10 18:34:32,724 INFO L280 TraceCheckUtils]: 39: Hoare triple {155#false} havoc #t~ret8; {155#false} is VALID [2020-07-10 18:34:32,724 INFO L280 TraceCheckUtils]: 40: Hoare triple {155#false} assume !false; {155#false} is VALID [2020-07-10 18:34:32,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 18:34:32,730 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 18:34:32,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [57749227] [2020-07-10 18:34:32,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 18:34:32,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-10 18:34:32,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786820172] [2020-07-10 18:34:32,742 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-07-10 18:34:32,745 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 18:34:32,749 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-10 18:34:32,810 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:34:32,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-10 18:34:32,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 18:34:32,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-10 18:34:32,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-10 18:34:32,822 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 4 states. [2020-07-10 18:34:33,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:34:33,977 INFO L93 Difference]: Finished difference Result 276 states and 332 transitions. [2020-07-10 18:34:33,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-10 18:34:33,977 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-07-10 18:34:33,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 18:34:33,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 18:34:34,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 332 transitions. [2020-07-10 18:34:34,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 18:34:34,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 332 transitions. [2020-07-10 18:34:34,011 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 332 transitions. [2020-07-10 18:34:34,407 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 332 edges. 332 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:34:34,428 INFO L225 Difference]: With dead ends: 276 [2020-07-10 18:34:34,429 INFO L226 Difference]: Without dead ends: 144 [2020-07-10 18:34:34,434 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 [2020-07-10 18:34:34,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-10 18:34:34,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-07-10 18:34:34,609 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 18:34:34,610 INFO L82 GeneralOperation]: Start isEquivalent. First operand 144 states. Second operand 144 states. [2020-07-10 18:34:34,610 INFO L74 IsIncluded]: Start isIncluded. First operand 144 states. Second operand 144 states. [2020-07-10 18:34:34,611 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 144 states. [2020-07-10 18:34:34,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:34:34,622 INFO L93 Difference]: Finished difference Result 144 states and 163 transitions. [2020-07-10 18:34:34,622 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 163 transitions. [2020-07-10 18:34:34,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:34:34,625 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:34:34,625 INFO L74 IsIncluded]: Start isIncluded. First operand 144 states. Second operand 144 states. [2020-07-10 18:34:34,625 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 144 states. [2020-07-10 18:34:34,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:34:34,635 INFO L93 Difference]: Finished difference Result 144 states and 163 transitions. [2020-07-10 18:34:34,636 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 163 transitions. [2020-07-10 18:34:34,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:34:34,651 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:34:34,651 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 18:34:34,651 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 18:34:34,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-10 18:34:34,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 163 transitions. [2020-07-10 18:34:34,663 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 163 transitions. Word has length 41 [2020-07-10 18:34:34,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 18:34:34,664 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 163 transitions. [2020-07-10 18:34:34,664 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-10 18:34:34,664 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 144 states and 163 transitions. [2020-07-10 18:34:34,857 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 163 edges. 163 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:34:34,858 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 163 transitions. [2020-07-10 18:34:34,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-10 18:34:34,863 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:34:34,864 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] [2020-07-10 18:34:34,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 18:34:34,864 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:34:34,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:34:34,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1352742449, now seen corresponding path program 1 times [2020-07-10 18:34:34,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:34:34,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [74795386] [2020-07-10 18:34:34,865 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:34:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 18:34:34,968 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 18:34:34,969 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.lib.acceleratedinterpolation.Interpolator.generateInterpolantsCraigNested(Interpolator.java:146) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.Interpolator.generateInterpolants(Interpolator.java:102) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.acceleratedInterpolationCore(AcceleratedInterpolation.java:266) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-10 18:34:34,976 INFO L168 Benchmark]: Toolchain (without parser) took 4177.44 ms. Allocated memory was 145.2 MB in the beginning and 246.4 MB in the end (delta: 101.2 MB). Free memory was 102.9 MB in the beginning and 176.1 MB in the end (delta: -73.2 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2020-07-10 18:34:34,977 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-10 18:34:34,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 457.83 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 102.7 MB in the beginning and 178.4 MB in the end (delta: -75.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2020-07-10 18:34:34,979 INFO L168 Benchmark]: Boogie Preprocessor took 60.19 ms. Allocated memory is still 202.4 MB. Free memory was 178.4 MB in the beginning and 175.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-07-10 18:34:34,979 INFO L168 Benchmark]: RCFGBuilder took 972.97 ms. Allocated memory is still 202.4 MB. Free memory was 175.7 MB in the beginning and 116.7 MB in the end (delta: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 7.1 GB. [2020-07-10 18:34:34,980 INFO L168 Benchmark]: TraceAbstraction took 2680.74 ms. Allocated memory was 202.4 MB in the beginning and 246.4 MB in the end (delta: 44.0 MB). Free memory was 116.1 MB in the beginning and 178.1 MB in the end (delta: -62.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-10 18:34:34,984 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 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 457.83 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 102.7 MB in the beginning and 178.4 MB in the end (delta: -75.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.19 ms. Allocated memory is still 202.4 MB. Free memory was 178.4 MB in the beginning and 175.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 972.97 ms. Allocated memory is still 202.4 MB. Free memory was 175.7 MB in the beginning and 116.7 MB in the end (delta: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2680.74 ms. Allocated memory was 202.4 MB in the beginning and 246.4 MB in the end (delta: 44.0 MB). Free memory was 116.1 MB in the beginning and 178.1 MB in the end (delta: -62.0 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...