/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_0730c.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:13:28,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:13:28,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:13:28,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:13:28,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:13:28,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:13:28,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:13:28,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:13:28,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:13:28,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:13:28,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:13:28,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:13:28,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:13:28,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:13:28,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:13:28,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:13:28,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:13:28,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:13:28,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:13:28,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:13:28,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:13:28,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:13:28,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:13:28,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:13:28,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:13:28,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:13:28,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:13:28,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:13:28,701 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 00:13:28,711 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:13:28,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:13:28,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:13:28,713 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:13:28,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:13:28,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:13:28,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:13:28,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:13:28,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:13:28,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:13:28,715 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:13:28,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:13:28,715 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:13:28,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:13:28,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:13:28,716 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:13:28,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:13:28,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:13:28,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:13:28,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:13:28,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:13:28,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:13:28,717 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:13:28,993 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:13:29,015 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:13:29,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:13:29,020 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:13:29,020 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:13:29,021 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0730c.c [2020-07-18 00:13:29,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f31a8b73/0345cf28d17b45eaaf17a57102a7ee54/FLAG83611e74c [2020-07-18 00:13:29,594 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:13:29,594 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0730c.c [2020-07-18 00:13:29,600 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f31a8b73/0345cf28d17b45eaaf17a57102a7ee54/FLAG83611e74c [2020-07-18 00:13:29,923 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f31a8b73/0345cf28d17b45eaaf17a57102a7ee54 [2020-07-18 00:13:29,932 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:13:29,935 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:13:29,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:13:29,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:13:29,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:13:29,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:13:29" (1/1) ... [2020-07-18 00:13:29,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a5fd617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:29, skipping insertion in model container [2020-07-18 00:13:29,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:13:29" (1/1) ... [2020-07-18 00:13:29,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:13:29,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:13:30,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:13:30,212 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:13:30,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:13:30,377 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:13:30,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:30 WrapperNode [2020-07-18 00:13:30,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:13:30,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:13:30,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:13:30,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:13:30,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:30" (1/1) ... [2020-07-18 00:13:30,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:30" (1/1) ... [2020-07-18 00:13:30,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:30" (1/1) ... [2020-07-18 00:13:30,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:30" (1/1) ... [2020-07-18 00:13:30,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:30" (1/1) ... [2020-07-18 00:13:30,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:30" (1/1) ... [2020-07-18 00:13:30,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:30" (1/1) ... [2020-07-18 00:13:30,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:13:30,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:13:30,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:13:30,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:13:30,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:13:30,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:13:30,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:13:30,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2020-07-18 00:13:30,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2020-07-18 00:13:30,508 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:13:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:13:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-07-18 00:13:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2020-07-18 00:13:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 00:13:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-18 00:13:30,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:13:30,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:13:30,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:13:30,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-18 00:13:30,509 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2020-07-18 00:13:30,509 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:13:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:13:30,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:13:31,170 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:13:31,170 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-18 00:13:31,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:13:31 BoogieIcfgContainer [2020-07-18 00:13:31,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:13:31,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:13:31,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:13:31,182 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:13:31,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:13:29" (1/3) ... [2020-07-18 00:13:31,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d762ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:13:31, skipping insertion in model container [2020-07-18 00:13:31,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:30" (2/3) ... [2020-07-18 00:13:31,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d762ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:13:31, skipping insertion in model container [2020-07-18 00:13:31,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:13:31" (3/3) ... [2020-07-18 00:13:31,187 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730c.c [2020-07-18 00:13:31,199 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:13:31,208 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:13:31,223 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:13:31,247 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:13:31,248 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:13:31,248 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:13:31,248 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:13:31,249 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:13:31,249 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:13:31,249 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:13:31,249 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:13:31,268 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2020-07-18 00:13:31,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-18 00:13:31,282 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:13:31,284 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:13:31,284 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:13:31,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:13:31,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1619390018, now seen corresponding path program 1 times [2020-07-18 00:13:31,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:13:31,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [636947929] [2020-07-18 00:13:31,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:13:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:31,533 INFO L280 TraceCheckUtils]: 0: Hoare triple {149#(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; {124#true} is VALID [2020-07-18 00:13:31,533 INFO L280 TraceCheckUtils]: 1: Hoare triple {124#true} #valid := #valid[0 := 0]; {124#true} is VALID [2020-07-18 00:13:31,534 INFO L280 TraceCheckUtils]: 2: Hoare triple {124#true} assume 0 < #StackHeapBarrier; {124#true} is VALID [2020-07-18 00:13:31,535 INFO L280 TraceCheckUtils]: 3: Hoare triple {124#true} ~one_sqrt~0 := 1.0; {124#true} is VALID [2020-07-18 00:13:31,536 INFO L280 TraceCheckUtils]: 4: Hoare triple {124#true} ~tiny_sqrt~0 := 1.0E-30; {124#true} is VALID [2020-07-18 00:13:31,536 INFO L280 TraceCheckUtils]: 5: Hoare triple {124#true} assume true; {124#true} is VALID [2020-07-18 00:13:31,537 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {124#true} {124#true} #220#return; {124#true} is VALID [2020-07-18 00:13:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:31,574 INFO L280 TraceCheckUtils]: 0: Hoare triple {150#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {124#true} is VALID [2020-07-18 00:13:31,575 INFO L280 TraceCheckUtils]: 1: Hoare triple {124#true} havoc ~z~0; {124#true} is VALID [2020-07-18 00:13:31,575 INFO L280 TraceCheckUtils]: 2: Hoare triple {124#true} havoc ~r~0; {124#true} is VALID [2020-07-18 00:13:31,576 INFO L280 TraceCheckUtils]: 3: Hoare triple {124#true} havoc ~hx~0; {124#true} is VALID [2020-07-18 00:13:31,576 INFO L280 TraceCheckUtils]: 4: Hoare triple {124#true} havoc ~ix~0; {124#true} is VALID [2020-07-18 00:13:31,577 INFO L280 TraceCheckUtils]: 5: Hoare triple {124#true} havoc ~s~0; {124#true} is VALID [2020-07-18 00:13:31,577 INFO L280 TraceCheckUtils]: 6: Hoare triple {124#true} havoc ~q~0; {124#true} is VALID [2020-07-18 00:13:31,578 INFO L280 TraceCheckUtils]: 7: Hoare triple {124#true} havoc ~m~0; {124#true} is VALID [2020-07-18 00:13:31,578 INFO L280 TraceCheckUtils]: 8: Hoare triple {124#true} havoc ~t~0; {124#true} is VALID [2020-07-18 00:13:31,578 INFO L280 TraceCheckUtils]: 9: Hoare triple {124#true} havoc ~i~0; {124#true} is VALID [2020-07-18 00:13:31,580 INFO L280 TraceCheckUtils]: 10: Hoare triple {124#true} assume !true; {125#false} is VALID [2020-07-18 00:13:31,581 INFO L280 TraceCheckUtils]: 11: Hoare triple {125#false} ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); {125#false} is VALID [2020-07-18 00:13:31,581 INFO L280 TraceCheckUtils]: 12: Hoare triple {125#false} assume !(~hx~0 % 4294967296 < 2139095040); {125#false} is VALID [2020-07-18 00:13:31,582 INFO L280 TraceCheckUtils]: 13: Hoare triple {125#false} #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); {125#false} is VALID [2020-07-18 00:13:31,582 INFO L280 TraceCheckUtils]: 14: Hoare triple {125#false} assume true; {125#false} is VALID [2020-07-18 00:13:31,582 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {125#false} {124#true} #216#return; {125#false} is VALID [2020-07-18 00:13:31,586 INFO L263 TraceCheckUtils]: 0: Hoare triple {124#true} call ULTIMATE.init(); {149#(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 [2020-07-18 00:13:31,586 INFO L280 TraceCheckUtils]: 1: Hoare triple {149#(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; {124#true} is VALID [2020-07-18 00:13:31,587 INFO L280 TraceCheckUtils]: 2: Hoare triple {124#true} #valid := #valid[0 := 0]; {124#true} is VALID [2020-07-18 00:13:31,587 INFO L280 TraceCheckUtils]: 3: Hoare triple {124#true} assume 0 < #StackHeapBarrier; {124#true} is VALID [2020-07-18 00:13:31,588 INFO L280 TraceCheckUtils]: 4: Hoare triple {124#true} ~one_sqrt~0 := 1.0; {124#true} is VALID [2020-07-18 00:13:31,588 INFO L280 TraceCheckUtils]: 5: Hoare triple {124#true} ~tiny_sqrt~0 := 1.0E-30; {124#true} is VALID [2020-07-18 00:13:31,588 INFO L280 TraceCheckUtils]: 6: Hoare triple {124#true} assume true; {124#true} is VALID [2020-07-18 00:13:31,589 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {124#true} {124#true} #220#return; {124#true} is VALID [2020-07-18 00:13:31,589 INFO L263 TraceCheckUtils]: 8: Hoare triple {124#true} call #t~ret10 := main(); {124#true} is VALID [2020-07-18 00:13:31,590 INFO L280 TraceCheckUtils]: 9: Hoare triple {124#true} ~x~0 := ~someUnaryFLOAToperation(0.0); {124#true} is VALID [2020-07-18 00:13:31,592 INFO L263 TraceCheckUtils]: 10: Hoare triple {124#true} call #t~ret7 := __ieee754_sqrtf(~x~0); {150#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 00:13:31,592 INFO L280 TraceCheckUtils]: 11: Hoare triple {150#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {124#true} is VALID [2020-07-18 00:13:31,593 INFO L280 TraceCheckUtils]: 12: Hoare triple {124#true} havoc ~z~0; {124#true} is VALID [2020-07-18 00:13:31,593 INFO L280 TraceCheckUtils]: 13: Hoare triple {124#true} havoc ~r~0; {124#true} is VALID [2020-07-18 00:13:31,594 INFO L280 TraceCheckUtils]: 14: Hoare triple {124#true} havoc ~hx~0; {124#true} is VALID [2020-07-18 00:13:31,594 INFO L280 TraceCheckUtils]: 15: Hoare triple {124#true} havoc ~ix~0; {124#true} is VALID [2020-07-18 00:13:31,595 INFO L280 TraceCheckUtils]: 16: Hoare triple {124#true} havoc ~s~0; {124#true} is VALID [2020-07-18 00:13:31,595 INFO L280 TraceCheckUtils]: 17: Hoare triple {124#true} havoc ~q~0; {124#true} is VALID [2020-07-18 00:13:31,595 INFO L280 TraceCheckUtils]: 18: Hoare triple {124#true} havoc ~m~0; {124#true} is VALID [2020-07-18 00:13:31,596 INFO L280 TraceCheckUtils]: 19: Hoare triple {124#true} havoc ~t~0; {124#true} is VALID [2020-07-18 00:13:31,596 INFO L280 TraceCheckUtils]: 20: Hoare triple {124#true} havoc ~i~0; {124#true} is VALID [2020-07-18 00:13:31,597 INFO L280 TraceCheckUtils]: 21: Hoare triple {124#true} assume !true; {125#false} is VALID [2020-07-18 00:13:31,598 INFO L280 TraceCheckUtils]: 22: Hoare triple {125#false} ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); {125#false} is VALID [2020-07-18 00:13:31,598 INFO L280 TraceCheckUtils]: 23: Hoare triple {125#false} assume !(~hx~0 % 4294967296 < 2139095040); {125#false} is VALID [2020-07-18 00:13:31,599 INFO L280 TraceCheckUtils]: 24: Hoare triple {125#false} #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); {125#false} is VALID [2020-07-18 00:13:31,599 INFO L280 TraceCheckUtils]: 25: Hoare triple {125#false} assume true; {125#false} is VALID [2020-07-18 00:13:31,599 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {125#false} {124#true} #216#return; {125#false} is VALID [2020-07-18 00:13:31,600 INFO L280 TraceCheckUtils]: 27: Hoare triple {125#false} ~res~0 := #t~ret7; {125#false} is VALID [2020-07-18 00:13:31,600 INFO L280 TraceCheckUtils]: 28: Hoare triple {125#false} havoc #t~ret7; {125#false} is VALID [2020-07-18 00:13:31,601 INFO L280 TraceCheckUtils]: 29: Hoare triple {125#false} #t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); {125#false} is VALID [2020-07-18 00:13:31,601 INFO L280 TraceCheckUtils]: 30: Hoare triple {125#false} assume !#t~short9; {125#false} is VALID [2020-07-18 00:13:31,601 INFO L280 TraceCheckUtils]: 31: Hoare triple {125#false} assume !#t~short9; {125#false} is VALID [2020-07-18 00:13:31,602 INFO L280 TraceCheckUtils]: 32: Hoare triple {125#false} havoc #t~ret8; {125#false} is VALID [2020-07-18 00:13:31,602 INFO L280 TraceCheckUtils]: 33: Hoare triple {125#false} havoc #t~short9; {125#false} is VALID [2020-07-18 00:13:31,603 INFO L280 TraceCheckUtils]: 34: Hoare triple {125#false} assume !false; {125#false} is VALID [2020-07-18 00:13:31,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:13:31,611 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:13:31,614 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [636947929] [2020-07-18 00:13:31,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:13:31,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-18 00:13:31,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417222377] [2020-07-18 00:13:31,624 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-07-18 00:13:31,627 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:13:31,632 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-18 00:13:31,693 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:13:31,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-18 00:13:31,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:13:31,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-18 00:13:31,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 00:13:31,707 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 4 states. [2020-07-18 00:13:32,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:13:32,589 INFO L93 Difference]: Finished difference Result 220 states and 261 transitions. [2020-07-18 00:13:32,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-18 00:13:32,589 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-07-18 00:13:32,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:13:32,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 00:13:32,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 261 transitions. [2020-07-18 00:13:32,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 00:13:32,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 261 transitions. [2020-07-18 00:13:32,616 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 261 transitions. [2020-07-18 00:13:32,938 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 261 edges. 261 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:13:32,958 INFO L225 Difference]: With dead ends: 220 [2020-07-18 00:13:32,958 INFO L226 Difference]: Without dead ends: 113 [2020-07-18 00:13:32,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-18 00:13:32,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-07-18 00:13:33,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-07-18 00:13:33,107 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:13:33,108 INFO L82 GeneralOperation]: Start isEquivalent. First operand 113 states. Second operand 113 states. [2020-07-18 00:13:33,108 INFO L74 IsIncluded]: Start isIncluded. First operand 113 states. Second operand 113 states. [2020-07-18 00:13:33,108 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 113 states. [2020-07-18 00:13:33,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:13:33,118 INFO L93 Difference]: Finished difference Result 113 states and 124 transitions. [2020-07-18 00:13:33,118 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 124 transitions. [2020-07-18 00:13:33,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:13:33,120 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:13:33,120 INFO L74 IsIncluded]: Start isIncluded. First operand 113 states. Second operand 113 states. [2020-07-18 00:13:33,120 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 113 states. [2020-07-18 00:13:33,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:13:33,129 INFO L93 Difference]: Finished difference Result 113 states and 124 transitions. [2020-07-18 00:13:33,130 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 124 transitions. [2020-07-18 00:13:33,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:13:33,131 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:13:33,132 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:13:33,132 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:13:33,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-07-18 00:13:33,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 124 transitions. [2020-07-18 00:13:33,140 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 124 transitions. Word has length 35 [2020-07-18 00:13:33,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:13:33,140 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 124 transitions. [2020-07-18 00:13:33,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-18 00:13:33,141 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 113 states and 124 transitions. [2020-07-18 00:13:33,278 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:13:33,278 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 124 transitions. [2020-07-18 00:13:33,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-07-18 00:13:33,280 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:13:33,281 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] [2020-07-18 00:13:33,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:13:33,281 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:13:33,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:13:33,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1569420762, now seen corresponding path program 1 times [2020-07-18 00:13:33,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:13:33,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [569917703] [2020-07-18 00:13:33,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:13:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 00:13:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 00:13:33,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 00:13:33,408 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.model.Model.map(Model.java:227) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.add(ModelBuilder.java:123) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.fillInFunctions(ModelBuilder.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.(ModelBuilder.java:49) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.CClosure.fillInModel(CClosure.java:1312) at de.uni_freiburg.informatik.ultimate.smtinterpol.model.Model.(Model.java:120) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.buildModel(SMTInterpol.java:1139) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getValue(SMTInterpol.java:1004) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getValue(WrapperScript.java:193) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getValue(WrapperScript.java:193) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.getValues(SmtUtils.java:2102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.getValue(TraceCheck.java:407) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.lambda$0(TraceCheck.java:381) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecution(TraceCheck.java:390) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecutionAndDecodeBranches(TraceCheck.java:349) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecutionAndDecodeBranches(TraceCheck.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:96) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:100) at de.uni_freiburg.informatik.ultimate.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:283) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:191) 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) [2020-07-18 00:13:33,414 INFO L168 Benchmark]: Toolchain (without parser) took 3479.49 ms. Allocated memory was 136.8 MB in the beginning and 250.1 MB in the end (delta: 113.2 MB). Free memory was 102.2 MB in the beginning and 134.3 MB in the end (delta: -32.1 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:33,415 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 136.8 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-18 00:13:33,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 441.71 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 101.8 MB in the beginning and 179.1 MB in the end (delta: -77.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:33,417 INFO L168 Benchmark]: Boogie Preprocessor took 61.59 ms. Allocated memory is still 200.8 MB. Free memory was 179.1 MB in the beginning and 176.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:33,418 INFO L168 Benchmark]: RCFGBuilder took 735.80 ms. Allocated memory is still 200.8 MB. Free memory was 176.1 MB in the beginning and 129.8 MB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:33,419 INFO L168 Benchmark]: TraceAbstraction took 2232.95 ms. Allocated memory was 200.8 MB in the beginning and 250.1 MB in the end (delta: 49.3 MB). Free memory was 129.8 MB in the beginning and 134.3 MB in the end (delta: -4.5 MB). Peak memory consumption was 44.8 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:33,423 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 0.83 ms. Allocated memory is still 136.8 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 441.71 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 101.8 MB in the beginning and 179.1 MB in the end (delta: -77.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 61.59 ms. Allocated memory is still 200.8 MB. Free memory was 179.1 MB in the beginning and 176.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 735.80 ms. Allocated memory is still 200.8 MB. Free memory was 176.1 MB in the beginning and 129.8 MB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2232.95 ms. Allocated memory was 200.8 MB in the beginning and 250.1 MB in the end (delta: 49.3 MB). Free memory was 129.8 MB in the beginning and 134.3 MB in the end (delta: -4.5 MB). Peak memory consumption was 44.8 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...