/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 04:39:36,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 04:39:36,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 04:39:36,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 04:39:36,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 04:39:36,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 04:39:36,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 04:39:36,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 04:39:36,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 04:39:36,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 04:39:36,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 04:39:36,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 04:39:36,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 04:39:36,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 04:39:36,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 04:39:36,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 04:39:36,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 04:39:36,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 04:39:36,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 04:39:36,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 04:39:36,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 04:39:36,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 04:39:36,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 04:39:36,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 04:39:36,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 04:39:36,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 04:39:36,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 04:39:36,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 04:39:36,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 04:39:36,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 04:39:36,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 04:39:36,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 04:39:36,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 04:39:36,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 04:39:36,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 04:39:36,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 04:39:36,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 04:39:36,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 04:39:36,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 04:39:36,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 04:39:36,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 04:39:36,428 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 04:39:36,446 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 04:39:36,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 04:39:36,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 04:39:36,451 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 04:39:36,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 04:39:36,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 04:39:36,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 04:39:36,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 04:39:36,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 04:39:36,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 04:39:36,452 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 04:39:36,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 04:39:36,453 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 04:39:36,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 04:39:36,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 04:39:36,453 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 04:39:36,453 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 04:39:36,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 04:39:36,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 04:39:36,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 04:39:36,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 04:39:36,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 04:39:36,455 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-18 04:39:36,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 04:39:36,760 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 04:39:36,763 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 04:39:36,765 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 04:39:36,765 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 04:39:36,766 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c [2020-07-18 04:39:36,842 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce40d58b7/6ab41eb25a724b77a3eb2a308957e947/FLAGcc376abc2 [2020-07-18 04:39:37,281 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 04:39:37,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c [2020-07-18 04:39:37,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce40d58b7/6ab41eb25a724b77a3eb2a308957e947/FLAGcc376abc2 [2020-07-18 04:39:37,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce40d58b7/6ab41eb25a724b77a3eb2a308957e947 [2020-07-18 04:39:37,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 04:39:37,670 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 04:39:37,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 04:39:37,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 04:39:37,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 04:39:37,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:39:37" (1/1) ... [2020-07-18 04:39:37,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@679e04b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:39:37, skipping insertion in model container [2020-07-18 04:39:37,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:39:37" (1/1) ... [2020-07-18 04:39:37,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 04:39:37,707 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 04:39:37,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:39:37,935 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 04:39:38,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:39:38,123 INFO L208 MainTranslator]: Completed translation [2020-07-18 04:39:38,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:39:38 WrapperNode [2020-07-18 04:39:38,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 04:39:38,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 04:39:38,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 04:39:38,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 04:39:38,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:39:38" (1/1) ... [2020-07-18 04:39:38,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:39:38" (1/1) ... [2020-07-18 04:39:38,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:39:38" (1/1) ... [2020-07-18 04:39:38,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:39:38" (1/1) ... [2020-07-18 04:39:38,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:39:38" (1/1) ... [2020-07-18 04:39:38,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:39:38" (1/1) ... [2020-07-18 04:39:38,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:39:38" (1/1) ... [2020-07-18 04:39:38,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 04:39:38,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 04:39:38,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 04:39:38,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 04:39:38,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:39:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 04:39:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 04:39:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 04:39:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2020-07-18 04:39:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2020-07-18 04:39:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 04:39:38,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 04:39:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-07-18 04:39:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2020-07-18 04:39:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 04:39:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-18 04:39:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 04:39:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 04:39:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-18 04:39:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 04:39:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2020-07-18 04:39:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 04:39:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 04:39:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-07-18 04:39:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 04:39:39,139 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 04:39:39,139 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-07-18 04:39:39,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:39:39 BoogieIcfgContainer [2020-07-18 04:39:39,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 04:39:39,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 04:39:39,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 04:39:39,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 04:39:39,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 04:39:37" (1/3) ... [2020-07-18 04:39:39,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c04ef14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:39:39, skipping insertion in model container [2020-07-18 04:39:39,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:39:38" (2/3) ... [2020-07-18 04:39:39,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c04ef14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:39:39, skipping insertion in model container [2020-07-18 04:39:39,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:39:39" (3/3) ... [2020-07-18 04:39:39,155 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2020-07-18 04:39:39,167 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 04:39:39,176 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 04:39:39,191 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 04:39:39,215 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 04:39:39,215 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 04:39:39,215 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 04:39:39,215 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 04:39:39,216 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 04:39:39,216 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 04:39:39,216 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 04:39:39,216 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 04:39:39,237 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2020-07-18 04:39:39,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-07-18 04:39:39,252 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:39:39,253 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] [2020-07-18 04:39:39,253 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:39:39,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:39:39,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1988505082, now seen corresponding path program 1 times [2020-07-18 04:39:39,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:39:39,267 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1227359175] [2020-07-18 04:39:39,268 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:39:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:39:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:39:39,511 INFO L280 TraceCheckUtils]: 0: Hoare triple {199#(and (= ~one_fmod~0 |old(~one_fmod~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#Zero_fmod~0.base| |old(~#Zero_fmod~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |~#Zero_fmod~0.offset| |old(~#Zero_fmod~0.offset)|))} #NULL.base, #NULL.offset := 0, 0; {169#true} is VALID [2020-07-18 04:39:39,511 INFO L280 TraceCheckUtils]: 1: Hoare triple {169#true} #valid := #valid[0 := 0]; {169#true} is VALID [2020-07-18 04:39:39,512 INFO L280 TraceCheckUtils]: 2: Hoare triple {169#true} assume 0 < #StackHeapBarrier; {169#true} is VALID [2020-07-18 04:39:39,513 INFO L280 TraceCheckUtils]: 3: Hoare triple {169#true} ~one_fmod~0 := 1.0; {169#true} is VALID [2020-07-18 04:39:39,513 INFO L280 TraceCheckUtils]: 4: Hoare triple {169#true} SUMMARY for call ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset := #Ultimate.allocOnStack(8); srcloc: L12-1 {169#true} is VALID [2020-07-18 04:39:39,514 INFO L280 TraceCheckUtils]: 5: Hoare triple {169#true} SUMMARY for call write~init~real(0.0, ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset, 4); srcloc: L12-2 {169#true} is VALID [2020-07-18 04:39:39,514 INFO L280 TraceCheckUtils]: 6: Hoare triple {169#true} SUMMARY for call write~init~real(~someUnaryDOUBLEoperation(0.0), ~#Zero_fmod~0.base, 4 + ~#Zero_fmod~0.offset, 4); srcloc: L12-3 {169#true} is VALID [2020-07-18 04:39:39,515 INFO L280 TraceCheckUtils]: 7: Hoare triple {169#true} assume true; {169#true} is VALID [2020-07-18 04:39:39,515 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {169#true} {169#true} #322#return; {169#true} is VALID [2020-07-18 04:39:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:39:39,550 INFO L280 TraceCheckUtils]: 0: Hoare triple {200#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {169#true} is VALID [2020-07-18 04:39:39,551 INFO L280 TraceCheckUtils]: 1: Hoare triple {169#true} ~y := #in~y; {169#true} is VALID [2020-07-18 04:39:39,551 INFO L280 TraceCheckUtils]: 2: Hoare triple {169#true} havoc ~n~0; {169#true} is VALID [2020-07-18 04:39:39,552 INFO L280 TraceCheckUtils]: 3: Hoare triple {169#true} havoc ~hx~0; {169#true} is VALID [2020-07-18 04:39:39,552 INFO L280 TraceCheckUtils]: 4: Hoare triple {169#true} havoc ~hy~0; {169#true} is VALID [2020-07-18 04:39:39,552 INFO L280 TraceCheckUtils]: 5: Hoare triple {169#true} havoc ~hz~0; {169#true} is VALID [2020-07-18 04:39:39,553 INFO L280 TraceCheckUtils]: 6: Hoare triple {169#true} havoc ~ix~0; {169#true} is VALID [2020-07-18 04:39:39,553 INFO L280 TraceCheckUtils]: 7: Hoare triple {169#true} havoc ~iy~0; {169#true} is VALID [2020-07-18 04:39:39,554 INFO L280 TraceCheckUtils]: 8: Hoare triple {169#true} havoc ~sx~0; {169#true} is VALID [2020-07-18 04:39:39,554 INFO L280 TraceCheckUtils]: 9: Hoare triple {169#true} havoc ~i~0; {169#true} is VALID [2020-07-18 04:39:39,569 INFO L280 TraceCheckUtils]: 10: Hoare triple {169#true} assume !true; {170#false} is VALID [2020-07-18 04:39:39,570 INFO L280 TraceCheckUtils]: 11: Hoare triple {170#false} assume !true; {170#false} is VALID [2020-07-18 04:39:39,571 INFO L280 TraceCheckUtils]: 12: Hoare triple {170#false} ~sx~0 := (if ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); {170#false} is VALID [2020-07-18 04:39:39,572 INFO L280 TraceCheckUtils]: 13: Hoare triple {170#false} ~hx~0 := ~bitwiseXor(~hx~0, ~sx~0); {170#false} is VALID [2020-07-18 04:39:39,572 INFO L280 TraceCheckUtils]: 14: Hoare triple {170#false} ~hy~0 := ~bitwiseAnd(~hy~0, 2147483647); {170#false} is VALID [2020-07-18 04:39:39,572 INFO L280 TraceCheckUtils]: 15: Hoare triple {170#false} assume (0 == ~hy~0 || !(~hx~0 < 2139095040)) || ~hy~0 > 2139095040; {170#false} is VALID [2020-07-18 04:39:39,573 INFO L280 TraceCheckUtils]: 16: Hoare triple {170#false} #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~y), ~someBinaryArithmeticFLOAToperation(~x, ~y)); {170#false} is VALID [2020-07-18 04:39:39,573 INFO L280 TraceCheckUtils]: 17: Hoare triple {170#false} assume true; {170#false} is VALID [2020-07-18 04:39:39,573 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {170#false} {169#true} #318#return; {170#false} is VALID [2020-07-18 04:39:39,580 INFO L263 TraceCheckUtils]: 0: Hoare triple {169#true} call ULTIMATE.init(); {199#(and (= ~one_fmod~0 |old(~one_fmod~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#Zero_fmod~0.base| |old(~#Zero_fmod~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |~#Zero_fmod~0.offset| |old(~#Zero_fmod~0.offset)|))} is VALID [2020-07-18 04:39:39,580 INFO L280 TraceCheckUtils]: 1: Hoare triple {199#(and (= ~one_fmod~0 |old(~one_fmod~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#Zero_fmod~0.base| |old(~#Zero_fmod~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |~#Zero_fmod~0.offset| |old(~#Zero_fmod~0.offset)|))} #NULL.base, #NULL.offset := 0, 0; {169#true} is VALID [2020-07-18 04:39:39,581 INFO L280 TraceCheckUtils]: 2: Hoare triple {169#true} #valid := #valid[0 := 0]; {169#true} is VALID [2020-07-18 04:39:39,581 INFO L280 TraceCheckUtils]: 3: Hoare triple {169#true} assume 0 < #StackHeapBarrier; {169#true} is VALID [2020-07-18 04:39:39,581 INFO L280 TraceCheckUtils]: 4: Hoare triple {169#true} ~one_fmod~0 := 1.0; {169#true} is VALID [2020-07-18 04:39:39,582 INFO L280 TraceCheckUtils]: 5: Hoare triple {169#true} SUMMARY for call ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset := #Ultimate.allocOnStack(8); srcloc: L12-1 {169#true} is VALID [2020-07-18 04:39:39,582 INFO L280 TraceCheckUtils]: 6: Hoare triple {169#true} SUMMARY for call write~init~real(0.0, ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset, 4); srcloc: L12-2 {169#true} is VALID [2020-07-18 04:39:39,582 INFO L280 TraceCheckUtils]: 7: Hoare triple {169#true} SUMMARY for call write~init~real(~someUnaryDOUBLEoperation(0.0), ~#Zero_fmod~0.base, 4 + ~#Zero_fmod~0.offset, 4); srcloc: L12-3 {169#true} is VALID [2020-07-18 04:39:39,582 INFO L280 TraceCheckUtils]: 8: Hoare triple {169#true} assume true; {169#true} is VALID [2020-07-18 04:39:39,583 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {169#true} {169#true} #322#return; {169#true} is VALID [2020-07-18 04:39:39,583 INFO L263 TraceCheckUtils]: 10: Hoare triple {169#true} call #t~ret18 := main(); {169#true} is VALID [2020-07-18 04:39:39,583 INFO L280 TraceCheckUtils]: 11: Hoare triple {169#true} ~x~0 := 0.0; {169#true} is VALID [2020-07-18 04:39:39,583 INFO L280 TraceCheckUtils]: 12: Hoare triple {169#true} ~y~0 := #t~nondet14; {169#true} is VALID [2020-07-18 04:39:39,584 INFO L280 TraceCheckUtils]: 13: Hoare triple {169#true} havoc #t~nondet14; {169#true} is VALID [2020-07-18 04:39:39,584 INFO L280 TraceCheckUtils]: 14: Hoare triple {169#true} assume ~someBinaryFLOATComparisonOperation(~y~0, 0.0) || ~someBinaryFLOATComparisonOperation(~y~0, 0.0); {169#true} is VALID [2020-07-18 04:39:39,587 INFO L263 TraceCheckUtils]: 15: Hoare triple {169#true} call #t~ret15 := fmod_float(~x~0, ~y~0); {200#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 04:39:39,587 INFO L280 TraceCheckUtils]: 16: Hoare triple {200#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {169#true} is VALID [2020-07-18 04:39:39,588 INFO L280 TraceCheckUtils]: 17: Hoare triple {169#true} ~y := #in~y; {169#true} is VALID [2020-07-18 04:39:39,588 INFO L280 TraceCheckUtils]: 18: Hoare triple {169#true} havoc ~n~0; {169#true} is VALID [2020-07-18 04:39:39,588 INFO L280 TraceCheckUtils]: 19: Hoare triple {169#true} havoc ~hx~0; {169#true} is VALID [2020-07-18 04:39:39,589 INFO L280 TraceCheckUtils]: 20: Hoare triple {169#true} havoc ~hy~0; {169#true} is VALID [2020-07-18 04:39:39,589 INFO L280 TraceCheckUtils]: 21: Hoare triple {169#true} havoc ~hz~0; {169#true} is VALID [2020-07-18 04:39:39,589 INFO L280 TraceCheckUtils]: 22: Hoare triple {169#true} havoc ~ix~0; {169#true} is VALID [2020-07-18 04:39:39,590 INFO L280 TraceCheckUtils]: 23: Hoare triple {169#true} havoc ~iy~0; {169#true} is VALID [2020-07-18 04:39:39,590 INFO L280 TraceCheckUtils]: 24: Hoare triple {169#true} havoc ~sx~0; {169#true} is VALID [2020-07-18 04:39:39,590 INFO L280 TraceCheckUtils]: 25: Hoare triple {169#true} havoc ~i~0; {169#true} is VALID [2020-07-18 04:39:39,593 INFO L280 TraceCheckUtils]: 26: Hoare triple {169#true} assume !true; {170#false} is VALID [2020-07-18 04:39:39,593 INFO L280 TraceCheckUtils]: 27: Hoare triple {170#false} assume !true; {170#false} is VALID [2020-07-18 04:39:39,594 INFO L280 TraceCheckUtils]: 28: Hoare triple {170#false} ~sx~0 := (if ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); {170#false} is VALID [2020-07-18 04:39:39,594 INFO L280 TraceCheckUtils]: 29: Hoare triple {170#false} ~hx~0 := ~bitwiseXor(~hx~0, ~sx~0); {170#false} is VALID [2020-07-18 04:39:39,594 INFO L280 TraceCheckUtils]: 30: Hoare triple {170#false} ~hy~0 := ~bitwiseAnd(~hy~0, 2147483647); {170#false} is VALID [2020-07-18 04:39:39,595 INFO L280 TraceCheckUtils]: 31: Hoare triple {170#false} assume (0 == ~hy~0 || !(~hx~0 < 2139095040)) || ~hy~0 > 2139095040; {170#false} is VALID [2020-07-18 04:39:39,595 INFO L280 TraceCheckUtils]: 32: Hoare triple {170#false} #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~y), ~someBinaryArithmeticFLOAToperation(~x, ~y)); {170#false} is VALID [2020-07-18 04:39:39,595 INFO L280 TraceCheckUtils]: 33: Hoare triple {170#false} assume true; {170#false} is VALID [2020-07-18 04:39:39,596 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {170#false} {169#true} #318#return; {170#false} is VALID [2020-07-18 04:39:39,596 INFO L280 TraceCheckUtils]: 35: Hoare triple {170#false} ~res~0 := #t~ret15; {170#false} is VALID [2020-07-18 04:39:39,596 INFO L280 TraceCheckUtils]: 36: Hoare triple {170#false} havoc #t~ret15; {170#false} is VALID [2020-07-18 04:39:39,597 INFO L280 TraceCheckUtils]: 37: Hoare triple {170#false} #t~short17 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); {170#false} is VALID [2020-07-18 04:39:39,597 INFO L280 TraceCheckUtils]: 38: Hoare triple {170#false} assume !#t~short17; {170#false} is VALID [2020-07-18 04:39:39,597 INFO L280 TraceCheckUtils]: 39: Hoare triple {170#false} assume !#t~short17; {170#false} is VALID [2020-07-18 04:39:39,598 INFO L280 TraceCheckUtils]: 40: Hoare triple {170#false} havoc #t~ret16; {170#false} is VALID [2020-07-18 04:39:39,598 INFO L280 TraceCheckUtils]: 41: Hoare triple {170#false} havoc #t~short17; {170#false} is VALID [2020-07-18 04:39:39,598 INFO L280 TraceCheckUtils]: 42: Hoare triple {170#false} assume !false; {170#false} is VALID [2020-07-18 04:39:39,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 04:39:39,603 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1227359175] [2020-07-18 04:39:39,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 04:39:39,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-18 04:39:39,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589884018] [2020-07-18 04:39:39,613 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2020-07-18 04:39:39,617 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:39:39,621 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-18 04:39:39,704 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:39:39,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-18 04:39:39,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:39:39,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-18 04:39:39,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 04:39:39,719 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 4 states. [2020-07-18 04:39:41,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:39:41,089 INFO L93 Difference]: Finished difference Result 308 states and 372 transitions. [2020-07-18 04:39:41,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-18 04:39:41,090 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2020-07-18 04:39:41,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:39:41,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 04:39:41,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 372 transitions. [2020-07-18 04:39:41,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 04:39:41,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 372 transitions. [2020-07-18 04:39:41,126 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 372 transitions. [2020-07-18 04:39:41,575 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 372 edges. 372 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:39:41,608 INFO L225 Difference]: With dead ends: 308 [2020-07-18 04:39:41,608 INFO L226 Difference]: Without dead ends: 158 [2020-07-18 04:39:41,613 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-18 04:39:41,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-07-18 04:39:41,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2020-07-18 04:39:41,811 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:39:41,812 INFO L82 GeneralOperation]: Start isEquivalent. First operand 158 states. Second operand 158 states. [2020-07-18 04:39:41,812 INFO L74 IsIncluded]: Start isIncluded. First operand 158 states. Second operand 158 states. [2020-07-18 04:39:41,813 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 158 states. [2020-07-18 04:39:41,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:39:41,825 INFO L93 Difference]: Finished difference Result 158 states and 174 transitions. [2020-07-18 04:39:41,825 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 174 transitions. [2020-07-18 04:39:41,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:39:41,827 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:39:41,827 INFO L74 IsIncluded]: Start isIncluded. First operand 158 states. Second operand 158 states. [2020-07-18 04:39:41,828 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 158 states. [2020-07-18 04:39:41,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:39:41,837 INFO L93 Difference]: Finished difference Result 158 states and 174 transitions. [2020-07-18 04:39:41,838 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 174 transitions. [2020-07-18 04:39:41,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:39:41,840 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:39:41,840 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:39:41,840 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:39:41,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-07-18 04:39:41,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 174 transitions. [2020-07-18 04:39:41,850 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 174 transitions. Word has length 43 [2020-07-18 04:39:41,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:39:41,851 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 174 transitions. [2020-07-18 04:39:41,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-18 04:39:41,851 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 158 states and 174 transitions. [2020-07-18 04:39:42,038 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 174 edges. 174 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:39:42,039 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 174 transitions. [2020-07-18 04:39:42,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-18 04:39:42,043 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:39:42,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:39:42,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 04:39:42,043 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:39:42,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:39:42,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1298136515, now seen corresponding path program 1 times [2020-07-18 04:39:42,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:39:42,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [846892553] [2020-07-18 04:39:42,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:39:42,132 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 04:39:42,134 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.generateLinVar(LinArSolve.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.createEquality(LinArSolve.java:1974) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:83) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createAtom(EqualityProxy.java:165) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.getLiteral(EqualityProxy.java:186) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createCCEquality(EqualityProxy.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.mbtc(LinArSolve.java:1891) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.computeConflictClause(LinArSolve.java:664) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.checkConsistency(DPLLEngine.java:1010) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1157) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol$CheckType$1.check(SMTInterpol.java:117) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSatAssuming(SMTInterpol.java:494) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSat(SMTInterpol.java:446) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:214) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:96) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-18 04:39:42,145 INFO L168 Benchmark]: Toolchain (without parser) took 4473.72 ms. Allocated memory was 137.9 MB in the beginning and 249.0 MB in the end (delta: 111.1 MB). Free memory was 103.1 MB in the beginning and 148.5 MB in the end (delta: -45.3 MB). Peak memory consumption was 65.8 MB. Max. memory is 7.1 GB. [2020-07-18 04:39:42,146 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 137.9 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-18 04:39:42,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 453.18 ms. Allocated memory was 137.9 MB in the beginning and 203.9 MB in the end (delta: 66.1 MB). Free memory was 102.7 MB in the beginning and 181.7 MB in the end (delta: -79.0 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2020-07-18 04:39:42,150 INFO L168 Benchmark]: Boogie Preprocessor took 87.23 ms. Allocated memory is still 203.9 MB. Free memory was 181.7 MB in the beginning and 179.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-07-18 04:39:42,150 INFO L168 Benchmark]: RCFGBuilder took 933.70 ms. Allocated memory is still 203.9 MB. Free memory was 178.3 MB in the beginning and 115.0 MB in the end (delta: 63.2 MB). Peak memory consumption was 63.2 MB. Max. memory is 7.1 GB. [2020-07-18 04:39:42,151 INFO L168 Benchmark]: TraceAbstraction took 2993.19 ms. Allocated memory was 203.9 MB in the beginning and 249.0 MB in the end (delta: 45.1 MB). Free memory was 114.3 MB in the beginning and 148.5 MB in the end (delta: -34.1 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2020-07-18 04:39:42,162 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 0.28 ms. Allocated memory is still 137.9 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 453.18 ms. Allocated memory was 137.9 MB in the beginning and 203.9 MB in the end (delta: 66.1 MB). Free memory was 102.7 MB in the beginning and 181.7 MB in the end (delta: -79.0 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.23 ms. Allocated memory is still 203.9 MB. Free memory was 181.7 MB in the beginning and 179.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 933.70 ms. Allocated memory is still 203.9 MB. Free memory was 178.3 MB in the beginning and 115.0 MB in the end (delta: 63.2 MB). Peak memory consumption was 63.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2993.19 ms. Allocated memory was 203.9 MB in the beginning and 249.0 MB in the end (delta: 45.1 MB). Free memory was 114.3 MB in the beginning and 148.5 MB in the end (delta: -34.1 MB). Peak memory consumption was 11.0 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.theory.linar.TableauxRow.(TableauxRow.java:45) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...