/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_1211a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 04:39:36,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 04:39:36,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 04:39:36,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 04:39:36,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 04:39:36,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 04:39:36,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 04:39:36,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 04:39:36,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 04:39:36,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 04:39:36,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 04:39:36,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 04:39:36,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 04:39:36,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 04:39:36,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 04:39:36,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 04:39:36,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 04:39:36,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 04:39:36,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 04:39:36,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 04:39:36,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 04:39:36,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 04:39:36,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 04:39:36,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 04:39:36,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 04:39:36,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 04:39:36,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 04:39:36,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 04:39:36,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 04:39:36,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 04:39:36,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 04:39:36,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 04:39:36,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 04:39:36,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 04:39:36,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 04:39:36,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 04:39:36,733 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 04:39:36,742 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 04:39:36,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 04:39:36,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 04:39:36,744 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 04:39:36,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 04:39:36,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 04:39:36,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 04:39:36,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 04:39:36,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 04:39:36,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 04:39:36,745 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 04:39:36,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 04:39:36,746 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 04:39:36,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 04:39:36,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 04:39:36,746 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 04:39:36,747 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 04:39:36,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 04:39:36,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 04:39:36,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 04:39:36,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 04:39:36,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 04:39:36,748 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 04:39:36,997 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 04:39:37,012 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 04:39:37,015 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 04:39:37,017 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 04:39:37,017 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 04:39:37,018 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1211a.c [2020-07-18 04:39:37,091 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08f847ce4/e5f71756865140ef81a3fa734ca0744c/FLAG323ed83a4 [2020-07-18 04:39:37,521 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 04:39:37,521 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1211a.c [2020-07-18 04:39:37,528 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08f847ce4/e5f71756865140ef81a3fa734ca0744c/FLAG323ed83a4 [2020-07-18 04:39:37,884 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08f847ce4/e5f71756865140ef81a3fa734ca0744c [2020-07-18 04:39:37,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 04:39:37,896 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 04:39:37,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 04:39:37,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 04:39:37,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 04:39:37,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:39:37" (1/1) ... [2020-07-18 04:39:37,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38dae7b3 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 04:39:37,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:39:37" (1/1) ... [2020-07-18 04:39:37,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 04:39:37,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 04:39:38,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:39:38,143 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 04:39:38,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:39:38,320 INFO L208 MainTranslator]: Completed translation [2020-07-18 04:39:38,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:39:38 WrapperNode [2020-07-18 04:39:38,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 04:39:38,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 04:39:38,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 04:39:38,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 04:39:38,333 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 04:39:38,333 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 04:39:38,343 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 04:39:38,343 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 04:39:38,376 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 04:39:38,388 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 04:39:38,391 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 04:39:38,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 04:39:38,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 04:39:38,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 04:39:38,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 04:39:38,398 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 04:39:38,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 04:39:38,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 04:39:38,453 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_float [2020-07-18 04:39:38,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2020-07-18 04:39:38,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2020-07-18 04:39:38,453 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 04:39:38,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 04:39:38,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-07-18 04:39:38,453 INFO L130 BoogieDeclarations]: Found specification of procedure modf_float [2020-07-18 04:39:38,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 04:39:38,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-18 04:39:38,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 04:39:38,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 04:39:38,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 04:39:38,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-18 04:39:38,454 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2020-07-18 04:39:38,454 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2020-07-18 04:39:38,455 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 04:39:38,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-07-18 04:39:38,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 04:39:38,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 04:39:39,185 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 04:39:39,186 INFO L295 CfgBuilder]: Removed 18 assume(true) statements. [2020-07-18 04:39:39,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:39:39 BoogieIcfgContainer [2020-07-18 04:39:39,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 04:39:39,197 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 04:39:39,197 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 04:39:39,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 04:39:39,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 04:39:37" (1/3) ... [2020-07-18 04:39:39,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f4d0bf 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 04:39:39,201 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 04:39:39,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f4d0bf 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 04:39:39,202 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 04:39:39,204 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1211a.c [2020-07-18 04:39:39,214 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 04:39:39,222 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 04:39:39,236 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 04:39:39,256 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 04:39:39,256 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 04:39:39,256 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 04:39:39,256 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 04:39:39,257 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 04:39:39,257 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 04:39:39,257 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 04:39:39,257 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 04:39:39,275 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2020-07-18 04:39:39,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-18 04:39:39,289 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:39:39,290 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] [2020-07-18 04:39:39,290 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:39:39,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:39:39,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1432903932, now seen corresponding path program 1 times [2020-07-18 04:39:39,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:39:39,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1015010432] [2020-07-18 04:39:39,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:39:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:39:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:39:39,503 INFO L280 TraceCheckUtils]: 0: Hoare triple {199#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~one_modf~0 |old(~one_modf~0)|))} #NULL.base, #NULL.offset := 0, 0; {171#true} is VALID [2020-07-18 04:39:39,504 INFO L280 TraceCheckUtils]: 1: Hoare triple {171#true} #valid := #valid[0 := 0]; {171#true} is VALID [2020-07-18 04:39:39,504 INFO L280 TraceCheckUtils]: 2: Hoare triple {171#true} assume 0 < #StackHeapBarrier; {171#true} is VALID [2020-07-18 04:39:39,505 INFO L280 TraceCheckUtils]: 3: Hoare triple {171#true} ~one_modf~0 := 1.0; {171#true} is VALID [2020-07-18 04:39:39,506 INFO L280 TraceCheckUtils]: 4: Hoare triple {171#true} assume true; {171#true} is VALID [2020-07-18 04:39:39,506 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {171#true} {171#true} #279#return; {171#true} is VALID [2020-07-18 04:39:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:39:39,537 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; {171#true} is VALID [2020-07-18 04:39:39,538 INFO L280 TraceCheckUtils]: 1: Hoare triple {171#true} ~iptr.base, ~iptr.offset := #in~iptr.base, #in~iptr.offset; {171#true} is VALID [2020-07-18 04:39:39,538 INFO L280 TraceCheckUtils]: 2: Hoare triple {171#true} havoc ~i0~0; {171#true} is VALID [2020-07-18 04:39:39,539 INFO L280 TraceCheckUtils]: 3: Hoare triple {171#true} havoc ~j0~0; {171#true} is VALID [2020-07-18 04:39:39,539 INFO L280 TraceCheckUtils]: 4: Hoare triple {171#true} havoc ~i~0; {171#true} is VALID [2020-07-18 04:39:39,540 INFO L280 TraceCheckUtils]: 5: Hoare triple {171#true} assume !true; {172#false} is VALID [2020-07-18 04:39:39,541 INFO L280 TraceCheckUtils]: 6: Hoare triple {172#false} ~j0~0 := ~bitwiseAnd(~i0~0 / 8388608, 255) - 127; {172#false} is VALID [2020-07-18 04:39:39,541 INFO L280 TraceCheckUtils]: 7: Hoare triple {172#false} assume ~j0~0 < 23; {172#false} is VALID [2020-07-18 04:39:39,542 INFO L280 TraceCheckUtils]: 8: Hoare triple {172#false} assume ~j0~0 < 0; {172#false} is VALID [2020-07-18 04:39:39,542 INFO L280 TraceCheckUtils]: 9: Hoare triple {172#false} assume !true; {172#false} is VALID [2020-07-18 04:39:39,560 INFO L280 TraceCheckUtils]: 10: Hoare triple {172#false} #res := ~x; {172#false} is VALID [2020-07-18 04:39:39,560 INFO L280 TraceCheckUtils]: 11: Hoare triple {172#false} assume true; {172#false} is VALID [2020-07-18 04:39:39,560 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {172#false} {171#true} #273#return; {172#false} is VALID [2020-07-18 04:39:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:39:39,576 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; {171#true} is VALID [2020-07-18 04:39:39,576 INFO L280 TraceCheckUtils]: 1: Hoare triple {171#true} havoc ~ix~2; {171#true} is VALID [2020-07-18 04:39:39,577 INFO L280 TraceCheckUtils]: 2: Hoare triple {171#true} assume !true; {172#false} is VALID [2020-07-18 04:39:39,577 INFO L280 TraceCheckUtils]: 3: Hoare triple {172#false} ~ix~2 := ~bitwiseAnd(~ix~2, 2147483647); {172#false} is VALID [2020-07-18 04:39:39,578 INFO L280 TraceCheckUtils]: 4: Hoare triple {172#false} #res := (if 2139095040 == ~ix~2 then 1 else 0); {172#false} is VALID [2020-07-18 04:39:39,578 INFO L280 TraceCheckUtils]: 5: Hoare triple {172#false} assume true; {172#false} is VALID [2020-07-18 04:39:39,578 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {172#false} {172#false} #275#return; {172#false} is VALID [2020-07-18 04:39:39,580 INFO L263 TraceCheckUtils]: 0: Hoare triple {171#true} call ULTIMATE.init(); {199#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~one_modf~0 |old(~one_modf~0)|))} is VALID [2020-07-18 04:39:39,581 INFO L280 TraceCheckUtils]: 1: Hoare triple {199#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~one_modf~0 |old(~one_modf~0)|))} #NULL.base, #NULL.offset := 0, 0; {171#true} is VALID [2020-07-18 04:39:39,581 INFO L280 TraceCheckUtils]: 2: Hoare triple {171#true} #valid := #valid[0 := 0]; {171#true} is VALID [2020-07-18 04:39:39,581 INFO L280 TraceCheckUtils]: 3: Hoare triple {171#true} assume 0 < #StackHeapBarrier; {171#true} is VALID [2020-07-18 04:39:39,582 INFO L280 TraceCheckUtils]: 4: Hoare triple {171#true} ~one_modf~0 := 1.0; {171#true} is VALID [2020-07-18 04:39:39,582 INFO L280 TraceCheckUtils]: 5: Hoare triple {171#true} assume true; {171#true} is VALID [2020-07-18 04:39:39,582 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {171#true} {171#true} #279#return; {171#true} is VALID [2020-07-18 04:39:39,583 INFO L263 TraceCheckUtils]: 7: Hoare triple {171#true} call #t~ret24 := main(); {171#true} is VALID [2020-07-18 04:39:39,583 INFO L280 TraceCheckUtils]: 8: Hoare triple {171#true} ~x~0 := ~someBinaryArithmeticFLOAToperation(1.0, 0.0); {171#true} is VALID [2020-07-18 04:39:39,583 INFO L280 TraceCheckUtils]: 9: Hoare triple {171#true} SUMMARY for call ~#iptr~0.base, ~#iptr~0.offset := #Ultimate.allocOnStack(4); srcloc: L105 {171#true} is VALID [2020-07-18 04:39:39,584 INFO L280 TraceCheckUtils]: 10: Hoare triple {171#true} SUMMARY for call write~init~real(#t~nondet17, ~#iptr~0.base, ~#iptr~0.offset, 4); srcloc: L105-1 {171#true} is VALID [2020-07-18 04:39:39,584 INFO L280 TraceCheckUtils]: 11: Hoare triple {171#true} havoc #t~nondet17; {171#true} is VALID [2020-07-18 04:39:39,586 INFO L263 TraceCheckUtils]: 12: Hoare triple {171#true} call #t~ret18 := modf_float(~x~0, ~#iptr~0.base, ~#iptr~0.offset); {200#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 04:39:39,586 INFO L280 TraceCheckUtils]: 13: Hoare triple {200#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {171#true} is VALID [2020-07-18 04:39:39,587 INFO L280 TraceCheckUtils]: 14: Hoare triple {171#true} ~iptr.base, ~iptr.offset := #in~iptr.base, #in~iptr.offset; {171#true} is VALID [2020-07-18 04:39:39,587 INFO L280 TraceCheckUtils]: 15: Hoare triple {171#true} havoc ~i0~0; {171#true} is VALID [2020-07-18 04:39:39,587 INFO L280 TraceCheckUtils]: 16: Hoare triple {171#true} havoc ~j0~0; {171#true} is VALID [2020-07-18 04:39:39,588 INFO L280 TraceCheckUtils]: 17: Hoare triple {171#true} havoc ~i~0; {171#true} is VALID [2020-07-18 04:39:39,589 INFO L280 TraceCheckUtils]: 18: Hoare triple {171#true} assume !true; {172#false} is VALID [2020-07-18 04:39:39,589 INFO L280 TraceCheckUtils]: 19: Hoare triple {172#false} ~j0~0 := ~bitwiseAnd(~i0~0 / 8388608, 255) - 127; {172#false} is VALID [2020-07-18 04:39:39,589 INFO L280 TraceCheckUtils]: 20: Hoare triple {172#false} assume ~j0~0 < 23; {172#false} is VALID [2020-07-18 04:39:39,589 INFO L280 TraceCheckUtils]: 21: Hoare triple {172#false} assume ~j0~0 < 0; {172#false} is VALID [2020-07-18 04:39:39,590 INFO L280 TraceCheckUtils]: 22: Hoare triple {172#false} assume !true; {172#false} is VALID [2020-07-18 04:39:39,590 INFO L280 TraceCheckUtils]: 23: Hoare triple {172#false} #res := ~x; {172#false} is VALID [2020-07-18 04:39:39,590 INFO L280 TraceCheckUtils]: 24: Hoare triple {172#false} assume true; {172#false} is VALID [2020-07-18 04:39:39,591 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {172#false} {171#true} #273#return; {172#false} is VALID [2020-07-18 04:39:39,591 INFO L280 TraceCheckUtils]: 26: Hoare triple {172#false} ~res~0 := #t~ret18; {172#false} is VALID [2020-07-18 04:39:39,591 INFO L280 TraceCheckUtils]: 27: Hoare triple {172#false} havoc #t~ret18; {172#false} is VALID [2020-07-18 04:39:39,592 INFO L280 TraceCheckUtils]: 28: Hoare triple {172#false} SUMMARY for call #t~mem19 := read~real(~#iptr~0.base, ~#iptr~0.offset, 4); srcloc: L109 {172#false} is VALID [2020-07-18 04:39:39,592 INFO L263 TraceCheckUtils]: 29: Hoare triple {172#false} call #t~ret20 := isinf_float(#t~mem19); {200#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 04:39:39,592 INFO L280 TraceCheckUtils]: 30: Hoare triple {200#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {171#true} is VALID [2020-07-18 04:39:39,593 INFO L280 TraceCheckUtils]: 31: Hoare triple {171#true} havoc ~ix~2; {171#true} is VALID [2020-07-18 04:39:39,593 INFO L280 TraceCheckUtils]: 32: Hoare triple {171#true} assume !true; {172#false} is VALID [2020-07-18 04:39:39,594 INFO L280 TraceCheckUtils]: 33: Hoare triple {172#false} ~ix~2 := ~bitwiseAnd(~ix~2, 2147483647); {172#false} is VALID [2020-07-18 04:39:39,594 INFO L280 TraceCheckUtils]: 34: Hoare triple {172#false} #res := (if 2139095040 == ~ix~2 then 1 else 0); {172#false} is VALID [2020-07-18 04:39:39,594 INFO L280 TraceCheckUtils]: 35: Hoare triple {172#false} assume true; {172#false} is VALID [2020-07-18 04:39:39,595 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {172#false} {172#false} #275#return; {172#false} is VALID [2020-07-18 04:39:39,595 INFO L280 TraceCheckUtils]: 37: Hoare triple {172#false} assume -2147483648 <= #t~ret20 && #t~ret20 <= 2147483647; {172#false} is VALID [2020-07-18 04:39:39,595 INFO L280 TraceCheckUtils]: 38: Hoare triple {172#false} #t~short23 := 0 != #t~ret20; {172#false} is VALID [2020-07-18 04:39:39,596 INFO L280 TraceCheckUtils]: 39: Hoare triple {172#false} assume !#t~short23; {172#false} is VALID [2020-07-18 04:39:39,596 INFO L280 TraceCheckUtils]: 40: Hoare triple {172#false} assume #t~short23; {172#false} is VALID [2020-07-18 04:39:39,596 INFO L280 TraceCheckUtils]: 41: Hoare triple {172#false} havoc #t~mem19; {172#false} is VALID [2020-07-18 04:39:39,596 INFO L280 TraceCheckUtils]: 42: Hoare triple {172#false} havoc #t~ret20; {172#false} is VALID [2020-07-18 04:39:39,597 INFO L280 TraceCheckUtils]: 43: Hoare triple {172#false} havoc #t~short23; {172#false} is VALID [2020-07-18 04:39:39,597 INFO L280 TraceCheckUtils]: 44: Hoare triple {172#false} havoc #t~short22; {172#false} is VALID [2020-07-18 04:39:39,597 INFO L280 TraceCheckUtils]: 45: Hoare triple {172#false} havoc #t~ret21; {172#false} is VALID [2020-07-18 04:39:39,598 INFO L280 TraceCheckUtils]: 46: Hoare triple {172#false} assume !false; {172#false} is VALID [2020-07-18 04:39:39,605 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 04:39:39,606 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1015010432] [2020-07-18 04:39:39,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 04:39:39,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-18 04:39:39,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292192123] [2020-07-18 04:39:39,615 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-18 04:39:39,618 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 04:39:39,687 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:39:39,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-18 04:39:39,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:39:39,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-18 04:39:39,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 04:39:39,700 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 4 states. [2020-07-18 04:39:40,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:39:40,721 INFO L93 Difference]: Finished difference Result 315 states and 363 transitions. [2020-07-18 04:39:40,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-18 04:39:40,721 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-18 04:39:40,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:39:40,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 04:39:40,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 363 transitions. [2020-07-18 04:39:40,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 04:39:40,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 363 transitions. [2020-07-18 04:39:40,747 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 363 transitions. [2020-07-18 04:39:41,133 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 363 edges. 363 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:39:41,163 INFO L225 Difference]: With dead ends: 315 [2020-07-18 04:39:41,163 INFO L226 Difference]: Without dead ends: 153 [2020-07-18 04:39:41,168 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-18 04:39:41,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-18 04:39:41,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2020-07-18 04:39:41,313 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:39:41,313 INFO L82 GeneralOperation]: Start isEquivalent. First operand 153 states. Second operand 153 states. [2020-07-18 04:39:41,314 INFO L74 IsIncluded]: Start isIncluded. First operand 153 states. Second operand 153 states. [2020-07-18 04:39:41,314 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 153 states. [2020-07-18 04:39:41,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:39:41,324 INFO L93 Difference]: Finished difference Result 153 states and 157 transitions. [2020-07-18 04:39:41,324 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 157 transitions. [2020-07-18 04:39:41,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:39:41,326 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:39:41,327 INFO L74 IsIncluded]: Start isIncluded. First operand 153 states. Second operand 153 states. [2020-07-18 04:39:41,327 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 153 states. [2020-07-18 04:39:41,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:39:41,336 INFO L93 Difference]: Finished difference Result 153 states and 157 transitions. [2020-07-18 04:39:41,336 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 157 transitions. [2020-07-18 04:39:41,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:39:41,338 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:39:41,338 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:39:41,338 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:39:41,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-18 04:39:41,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 157 transitions. [2020-07-18 04:39:41,347 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 157 transitions. Word has length 47 [2020-07-18 04:39:41,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:39:41,347 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 157 transitions. [2020-07-18 04:39:41,347 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-18 04:39:41,348 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 153 states and 157 transitions. [2020-07-18 04:39:41,516 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 157 edges. 157 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:39:41,517 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 157 transitions. [2020-07-18 04:39:41,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-07-18 04:39:41,520 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:39:41,520 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:39:41,521 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 04:39:41,521 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:39:41,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:39:41,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1562102553, now seen corresponding path program 1 times [2020-07-18 04:39:41,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:39:41,522 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [880039629] [2020-07-18 04:39:41,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:39:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:39:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:39:41,666 INFO L280 TraceCheckUtils]: 0: Hoare triple {1502#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~one_modf~0 |old(~one_modf~0)|))} #NULL.base, #NULL.offset := 0, 0; {1448#true} is VALID [2020-07-18 04:39:41,666 INFO L280 TraceCheckUtils]: 1: Hoare triple {1448#true} #valid := #valid[0 := 0]; {1448#true} is VALID [2020-07-18 04:39:41,666 INFO L280 TraceCheckUtils]: 2: Hoare triple {1448#true} assume 0 < #StackHeapBarrier; {1448#true} is VALID [2020-07-18 04:39:41,667 INFO L280 TraceCheckUtils]: 3: Hoare triple {1448#true} ~one_modf~0 := 1.0; {1448#true} is VALID [2020-07-18 04:39:41,667 INFO L280 TraceCheckUtils]: 4: Hoare triple {1448#true} assume true; {1448#true} is VALID [2020-07-18 04:39:41,667 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1448#true} {1448#true} #279#return; {1448#true} is VALID [2020-07-18 04:39:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:39:41,705 INFO L280 TraceCheckUtils]: 0: Hoare triple {1503#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {1448#true} is VALID [2020-07-18 04:39:41,705 INFO L280 TraceCheckUtils]: 1: Hoare triple {1448#true} ~iptr.base, ~iptr.offset := #in~iptr.base, #in~iptr.offset; {1448#true} is VALID [2020-07-18 04:39:41,705 INFO L280 TraceCheckUtils]: 2: Hoare triple {1448#true} havoc ~i0~0; {1448#true} is VALID [2020-07-18 04:39:41,706 INFO L280 TraceCheckUtils]: 3: Hoare triple {1448#true} havoc ~j0~0; {1448#true} is VALID [2020-07-18 04:39:41,706 INFO L280 TraceCheckUtils]: 4: Hoare triple {1448#true} havoc ~i~0; {1448#true} is VALID [2020-07-18 04:39:41,706 INFO L280 TraceCheckUtils]: 5: Hoare triple {1448#true} SUMMARY for call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.allocOnStack(4); srcloc: L17-2 {1448#true} is VALID [2020-07-18 04:39:41,707 INFO L280 TraceCheckUtils]: 6: Hoare triple {1448#true} SUMMARY for call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L18 {1448#true} is VALID [2020-07-18 04:39:41,707 INFO L280 TraceCheckUtils]: 7: Hoare triple {1448#true} SUMMARY for call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L19 {1448#true} is VALID [2020-07-18 04:39:41,707 INFO L280 TraceCheckUtils]: 8: Hoare triple {1448#true} ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); {1448#true} is VALID [2020-07-18 04:39:41,707 INFO L280 TraceCheckUtils]: 9: Hoare triple {1448#true} SUMMARY for call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L20-1 {1448#true} is VALID [2020-07-18 04:39:41,708 INFO L280 TraceCheckUtils]: 10: Hoare triple {1448#true} havoc #t~mem0; {1448#true} is VALID [2020-07-18 04:39:41,708 INFO L280 TraceCheckUtils]: 11: Hoare triple {1448#true} havoc #t~union1; {1448#true} is VALID [2020-07-18 04:39:41,708 INFO L280 TraceCheckUtils]: 12: Hoare triple {1448#true} SUMMARY for call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); srcloc: L18-1 {1448#true} is VALID [2020-07-18 04:39:41,709 INFO L280 TraceCheckUtils]: 13: Hoare triple {1448#true} havoc ~#gf_u~0.base, ~#gf_u~0.offset; {1448#true} is VALID [2020-07-18 04:39:41,709 INFO L280 TraceCheckUtils]: 14: Hoare triple {1448#true} goto; {1448#true} is VALID [2020-07-18 04:39:41,709 INFO L280 TraceCheckUtils]: 15: Hoare triple {1448#true} ~j0~0 := ~bitwiseAnd(~i0~0 / 8388608, 255) - 127; {1448#true} is VALID [2020-07-18 04:39:41,709 INFO L280 TraceCheckUtils]: 16: Hoare triple {1448#true} assume ~j0~0 < 23; {1448#true} is VALID [2020-07-18 04:39:41,710 INFO L280 TraceCheckUtils]: 17: Hoare triple {1448#true} assume ~j0~0 < 0; {1448#true} is VALID [2020-07-18 04:39:41,710 INFO L280 TraceCheckUtils]: 18: Hoare triple {1448#true} SUMMARY for call ~#sf_u~0.base, ~#sf_u~0.offset := #Ultimate.allocOnStack(4); srcloc: L25-2 {1448#true} is VALID [2020-07-18 04:39:41,710 INFO L280 TraceCheckUtils]: 19: Hoare triple {1448#true} SUMMARY for call write~int(~bitwiseAnd(~i0~0, 2147483648), ~#sf_u~0.base, ~#sf_u~0.offset, 4); srcloc: L26 {1448#true} is VALID [2020-07-18 04:39:41,711 INFO L280 TraceCheckUtils]: 20: Hoare triple {1448#true} SUMMARY for call #t~mem2 := read~real(~#sf_u~0.base, ~#sf_u~0.offset, 4); srcloc: L27 {1448#true} is VALID [2020-07-18 04:39:41,711 INFO L280 TraceCheckUtils]: 21: Hoare triple {1448#true} SUMMARY for call write~real(#t~mem2, ~iptr.base, ~iptr.offset, 4); srcloc: L28 {1448#true} is VALID [2020-07-18 04:39:41,711 INFO L280 TraceCheckUtils]: 22: Hoare triple {1448#true} havoc #t~mem2; {1448#true} is VALID [2020-07-18 04:39:41,711 INFO L280 TraceCheckUtils]: 23: Hoare triple {1448#true} SUMMARY for call ULTIMATE.dealloc(~#sf_u~0.base, ~#sf_u~0.offset); srcloc: L26-1 {1448#true} is VALID [2020-07-18 04:39:41,712 INFO L280 TraceCheckUtils]: 24: Hoare triple {1448#true} havoc ~#sf_u~0.base, ~#sf_u~0.offset; {1448#true} is VALID [2020-07-18 04:39:41,712 INFO L280 TraceCheckUtils]: 25: Hoare triple {1448#true} goto; {1448#true} is VALID [2020-07-18 04:39:41,712 INFO L280 TraceCheckUtils]: 26: Hoare triple {1448#true} #res := ~x; {1448#true} is VALID [2020-07-18 04:39:41,713 INFO L280 TraceCheckUtils]: 27: Hoare triple {1448#true} assume true; {1448#true} is VALID [2020-07-18 04:39:41,713 INFO L275 TraceCheckUtils]: 28: Hoare quadruple {1448#true} {1448#true} #273#return; {1448#true} is VALID [2020-07-18 04:39:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 04:39:41,728 INFO L280 TraceCheckUtils]: 0: Hoare triple {1503#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {1448#true} is VALID [2020-07-18 04:39:41,728 INFO L280 TraceCheckUtils]: 1: Hoare triple {1448#true} havoc ~ix~2; {1448#true} is VALID [2020-07-18 04:39:41,729 INFO L280 TraceCheckUtils]: 2: Hoare triple {1448#true} SUMMARY for call ~#gf_u~4.base, ~#gf_u~4.offset := #Ultimate.allocOnStack(4); srcloc: L88-2 {1448#true} is VALID [2020-07-18 04:39:41,729 INFO L280 TraceCheckUtils]: 3: Hoare triple {1448#true} SUMMARY for call write~real(~x, ~#gf_u~4.base, ~#gf_u~4.offset, 4); srcloc: L89 {1448#true} is VALID [2020-07-18 04:39:41,729 INFO L280 TraceCheckUtils]: 4: Hoare triple {1448#true} SUMMARY for call #t~mem15 := read~int(~#gf_u~4.base, ~#gf_u~4.offset, 4); srcloc: L90 {1448#true} is VALID [2020-07-18 04:39:41,729 INFO L280 TraceCheckUtils]: 5: Hoare triple {1448#true} ~ix~2 := (if #t~mem15 % 4294967296 % 4294967296 <= 2147483647 then #t~mem15 % 4294967296 % 4294967296 else #t~mem15 % 4294967296 % 4294967296 - 4294967296); {1448#true} is VALID [2020-07-18 04:39:41,730 INFO L280 TraceCheckUtils]: 6: Hoare triple {1448#true} SUMMARY for call write~real(#t~union16, ~#gf_u~4.base, ~#gf_u~4.offset, 4); srcloc: L91-1 {1448#true} is VALID [2020-07-18 04:39:41,730 INFO L280 TraceCheckUtils]: 7: Hoare triple {1448#true} havoc #t~union16; {1448#true} is VALID [2020-07-18 04:39:41,730 INFO L280 TraceCheckUtils]: 8: Hoare triple {1448#true} havoc #t~mem15; {1448#true} is VALID [2020-07-18 04:39:41,731 INFO L280 TraceCheckUtils]: 9: Hoare triple {1448#true} SUMMARY for call ULTIMATE.dealloc(~#gf_u~4.base, ~#gf_u~4.offset); srcloc: L89-1 {1448#true} is VALID [2020-07-18 04:39:41,731 INFO L280 TraceCheckUtils]: 10: Hoare triple {1448#true} havoc ~#gf_u~4.base, ~#gf_u~4.offset; {1448#true} is VALID [2020-07-18 04:39:41,731 INFO L280 TraceCheckUtils]: 11: Hoare triple {1448#true} goto; {1448#true} is VALID [2020-07-18 04:39:41,731 INFO L280 TraceCheckUtils]: 12: Hoare triple {1448#true} ~ix~2 := ~bitwiseAnd(~ix~2, 2147483647); {1448#true} is VALID [2020-07-18 04:39:41,732 INFO L280 TraceCheckUtils]: 13: Hoare triple {1448#true} #res := (if 2139095040 == ~ix~2 then 1 else 0); {1448#true} is VALID [2020-07-18 04:39:41,732 INFO L280 TraceCheckUtils]: 14: Hoare triple {1448#true} assume true; {1448#true} is VALID [2020-07-18 04:39:41,732 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1448#true} {1448#true} #275#return; {1448#true} is VALID [2020-07-18 04:39:41,734 INFO L263 TraceCheckUtils]: 0: Hoare triple {1448#true} call ULTIMATE.init(); {1502#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~one_modf~0 |old(~one_modf~0)|))} is VALID [2020-07-18 04:39:41,734 INFO L280 TraceCheckUtils]: 1: Hoare triple {1502#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~one_modf~0 |old(~one_modf~0)|))} #NULL.base, #NULL.offset := 0, 0; {1448#true} is VALID [2020-07-18 04:39:41,734 INFO L280 TraceCheckUtils]: 2: Hoare triple {1448#true} #valid := #valid[0 := 0]; {1448#true} is VALID [2020-07-18 04:39:41,734 INFO L280 TraceCheckUtils]: 3: Hoare triple {1448#true} assume 0 < #StackHeapBarrier; {1448#true} is VALID [2020-07-18 04:39:41,735 INFO L280 TraceCheckUtils]: 4: Hoare triple {1448#true} ~one_modf~0 := 1.0; {1448#true} is VALID [2020-07-18 04:39:41,735 INFO L280 TraceCheckUtils]: 5: Hoare triple {1448#true} assume true; {1448#true} is VALID [2020-07-18 04:39:41,735 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {1448#true} {1448#true} #279#return; {1448#true} is VALID [2020-07-18 04:39:41,736 INFO L263 TraceCheckUtils]: 7: Hoare triple {1448#true} call #t~ret24 := main(); {1448#true} is VALID [2020-07-18 04:39:41,736 INFO L280 TraceCheckUtils]: 8: Hoare triple {1448#true} ~x~0 := ~someBinaryArithmeticFLOAToperation(1.0, 0.0); {1448#true} is VALID [2020-07-18 04:39:41,736 INFO L280 TraceCheckUtils]: 9: Hoare triple {1448#true} SUMMARY for call ~#iptr~0.base, ~#iptr~0.offset := #Ultimate.allocOnStack(4); srcloc: L105 {1448#true} is VALID [2020-07-18 04:39:41,736 INFO L280 TraceCheckUtils]: 10: Hoare triple {1448#true} SUMMARY for call write~init~real(#t~nondet17, ~#iptr~0.base, ~#iptr~0.offset, 4); srcloc: L105-1 {1448#true} is VALID [2020-07-18 04:39:41,737 INFO L280 TraceCheckUtils]: 11: Hoare triple {1448#true} havoc #t~nondet17; {1448#true} is VALID [2020-07-18 04:39:41,738 INFO L263 TraceCheckUtils]: 12: Hoare triple {1448#true} call #t~ret18 := modf_float(~x~0, ~#iptr~0.base, ~#iptr~0.offset); {1503#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 04:39:41,738 INFO L280 TraceCheckUtils]: 13: Hoare triple {1503#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {1448#true} is VALID [2020-07-18 04:39:41,739 INFO L280 TraceCheckUtils]: 14: Hoare triple {1448#true} ~iptr.base, ~iptr.offset := #in~iptr.base, #in~iptr.offset; {1448#true} is VALID [2020-07-18 04:39:41,739 INFO L280 TraceCheckUtils]: 15: Hoare triple {1448#true} havoc ~i0~0; {1448#true} is VALID [2020-07-18 04:39:41,739 INFO L280 TraceCheckUtils]: 16: Hoare triple {1448#true} havoc ~j0~0; {1448#true} is VALID [2020-07-18 04:39:41,739 INFO L280 TraceCheckUtils]: 17: Hoare triple {1448#true} havoc ~i~0; {1448#true} is VALID [2020-07-18 04:39:41,740 INFO L280 TraceCheckUtils]: 18: Hoare triple {1448#true} SUMMARY for call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.allocOnStack(4); srcloc: L17-2 {1448#true} is VALID [2020-07-18 04:39:41,740 INFO L280 TraceCheckUtils]: 19: Hoare triple {1448#true} SUMMARY for call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L18 {1448#true} is VALID [2020-07-18 04:39:41,740 INFO L280 TraceCheckUtils]: 20: Hoare triple {1448#true} SUMMARY for call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L19 {1448#true} is VALID [2020-07-18 04:39:41,740 INFO L280 TraceCheckUtils]: 21: Hoare triple {1448#true} ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); {1448#true} is VALID [2020-07-18 04:39:41,741 INFO L280 TraceCheckUtils]: 22: Hoare triple {1448#true} SUMMARY for call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); srcloc: L20-1 {1448#true} is VALID [2020-07-18 04:39:41,741 INFO L280 TraceCheckUtils]: 23: Hoare triple {1448#true} havoc #t~mem0; {1448#true} is VALID [2020-07-18 04:39:41,741 INFO L280 TraceCheckUtils]: 24: Hoare triple {1448#true} havoc #t~union1; {1448#true} is VALID [2020-07-18 04:39:41,742 INFO L280 TraceCheckUtils]: 25: Hoare triple {1448#true} SUMMARY for call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); srcloc: L18-1 {1448#true} is VALID [2020-07-18 04:39:41,742 INFO L280 TraceCheckUtils]: 26: Hoare triple {1448#true} havoc ~#gf_u~0.base, ~#gf_u~0.offset; {1448#true} is VALID [2020-07-18 04:39:41,742 INFO L280 TraceCheckUtils]: 27: Hoare triple {1448#true} goto; {1448#true} is VALID [2020-07-18 04:39:41,742 INFO L280 TraceCheckUtils]: 28: Hoare triple {1448#true} ~j0~0 := ~bitwiseAnd(~i0~0 / 8388608, 255) - 127; {1448#true} is VALID [2020-07-18 04:39:41,743 INFO L280 TraceCheckUtils]: 29: Hoare triple {1448#true} assume ~j0~0 < 23; {1448#true} is VALID [2020-07-18 04:39:41,743 INFO L280 TraceCheckUtils]: 30: Hoare triple {1448#true} assume ~j0~0 < 0; {1448#true} is VALID [2020-07-18 04:39:41,743 INFO L280 TraceCheckUtils]: 31: Hoare triple {1448#true} SUMMARY for call ~#sf_u~0.base, ~#sf_u~0.offset := #Ultimate.allocOnStack(4); srcloc: L25-2 {1448#true} is VALID [2020-07-18 04:39:41,743 INFO L280 TraceCheckUtils]: 32: Hoare triple {1448#true} SUMMARY for call write~int(~bitwiseAnd(~i0~0, 2147483648), ~#sf_u~0.base, ~#sf_u~0.offset, 4); srcloc: L26 {1448#true} is VALID [2020-07-18 04:39:41,744 INFO L280 TraceCheckUtils]: 33: Hoare triple {1448#true} SUMMARY for call #t~mem2 := read~real(~#sf_u~0.base, ~#sf_u~0.offset, 4); srcloc: L27 {1448#true} is VALID [2020-07-18 04:39:41,744 INFO L280 TraceCheckUtils]: 34: Hoare triple {1448#true} SUMMARY for call write~real(#t~mem2, ~iptr.base, ~iptr.offset, 4); srcloc: L28 {1448#true} is VALID [2020-07-18 04:39:41,744 INFO L280 TraceCheckUtils]: 35: Hoare triple {1448#true} havoc #t~mem2; {1448#true} is VALID [2020-07-18 04:39:41,745 INFO L280 TraceCheckUtils]: 36: Hoare triple {1448#true} SUMMARY for call ULTIMATE.dealloc(~#sf_u~0.base, ~#sf_u~0.offset); srcloc: L26-1 {1448#true} is VALID [2020-07-18 04:39:41,745 INFO L280 TraceCheckUtils]: 37: Hoare triple {1448#true} havoc ~#sf_u~0.base, ~#sf_u~0.offset; {1448#true} is VALID [2020-07-18 04:39:41,745 INFO L280 TraceCheckUtils]: 38: Hoare triple {1448#true} goto; {1448#true} is VALID [2020-07-18 04:39:41,745 INFO L280 TraceCheckUtils]: 39: Hoare triple {1448#true} #res := ~x; {1448#true} is VALID [2020-07-18 04:39:41,746 INFO L280 TraceCheckUtils]: 40: Hoare triple {1448#true} assume true; {1448#true} is VALID [2020-07-18 04:39:41,746 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {1448#true} {1448#true} #273#return; {1448#true} is VALID [2020-07-18 04:39:41,746 INFO L280 TraceCheckUtils]: 42: Hoare triple {1448#true} ~res~0 := #t~ret18; {1448#true} is VALID [2020-07-18 04:39:41,746 INFO L280 TraceCheckUtils]: 43: Hoare triple {1448#true} havoc #t~ret18; {1448#true} is VALID [2020-07-18 04:39:41,747 INFO L280 TraceCheckUtils]: 44: Hoare triple {1448#true} SUMMARY for call #t~mem19 := read~real(~#iptr~0.base, ~#iptr~0.offset, 4); srcloc: L109 {1448#true} is VALID [2020-07-18 04:39:41,748 INFO L263 TraceCheckUtils]: 45: Hoare triple {1448#true} call #t~ret20 := isinf_float(#t~mem19); {1503#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 04:39:41,748 INFO L280 TraceCheckUtils]: 46: Hoare triple {1503#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {1448#true} is VALID [2020-07-18 04:39:41,749 INFO L280 TraceCheckUtils]: 47: Hoare triple {1448#true} havoc ~ix~2; {1448#true} is VALID [2020-07-18 04:39:41,749 INFO L280 TraceCheckUtils]: 48: Hoare triple {1448#true} SUMMARY for call ~#gf_u~4.base, ~#gf_u~4.offset := #Ultimate.allocOnStack(4); srcloc: L88-2 {1448#true} is VALID [2020-07-18 04:39:41,749 INFO L280 TraceCheckUtils]: 49: Hoare triple {1448#true} SUMMARY for call write~real(~x, ~#gf_u~4.base, ~#gf_u~4.offset, 4); srcloc: L89 {1448#true} is VALID [2020-07-18 04:39:41,749 INFO L280 TraceCheckUtils]: 50: Hoare triple {1448#true} SUMMARY for call #t~mem15 := read~int(~#gf_u~4.base, ~#gf_u~4.offset, 4); srcloc: L90 {1448#true} is VALID [2020-07-18 04:39:41,750 INFO L280 TraceCheckUtils]: 51: Hoare triple {1448#true} ~ix~2 := (if #t~mem15 % 4294967296 % 4294967296 <= 2147483647 then #t~mem15 % 4294967296 % 4294967296 else #t~mem15 % 4294967296 % 4294967296 - 4294967296); {1448#true} is VALID [2020-07-18 04:39:41,750 INFO L280 TraceCheckUtils]: 52: Hoare triple {1448#true} SUMMARY for call write~real(#t~union16, ~#gf_u~4.base, ~#gf_u~4.offset, 4); srcloc: L91-1 {1448#true} is VALID [2020-07-18 04:39:41,750 INFO L280 TraceCheckUtils]: 53: Hoare triple {1448#true} havoc #t~union16; {1448#true} is VALID [2020-07-18 04:39:41,750 INFO L280 TraceCheckUtils]: 54: Hoare triple {1448#true} havoc #t~mem15; {1448#true} is VALID [2020-07-18 04:39:41,751 INFO L280 TraceCheckUtils]: 55: Hoare triple {1448#true} SUMMARY for call ULTIMATE.dealloc(~#gf_u~4.base, ~#gf_u~4.offset); srcloc: L89-1 {1448#true} is VALID [2020-07-18 04:39:41,751 INFO L280 TraceCheckUtils]: 56: Hoare triple {1448#true} havoc ~#gf_u~4.base, ~#gf_u~4.offset; {1448#true} is VALID [2020-07-18 04:39:41,751 INFO L280 TraceCheckUtils]: 57: Hoare triple {1448#true} goto; {1448#true} is VALID [2020-07-18 04:39:41,751 INFO L280 TraceCheckUtils]: 58: Hoare triple {1448#true} ~ix~2 := ~bitwiseAnd(~ix~2, 2147483647); {1448#true} is VALID [2020-07-18 04:39:41,752 INFO L280 TraceCheckUtils]: 59: Hoare triple {1448#true} #res := (if 2139095040 == ~ix~2 then 1 else 0); {1448#true} is VALID [2020-07-18 04:39:41,752 INFO L280 TraceCheckUtils]: 60: Hoare triple {1448#true} assume true; {1448#true} is VALID [2020-07-18 04:39:41,752 INFO L275 TraceCheckUtils]: 61: Hoare quadruple {1448#true} {1448#true} #275#return; {1448#true} is VALID [2020-07-18 04:39:41,753 INFO L280 TraceCheckUtils]: 62: Hoare triple {1448#true} assume -2147483648 <= #t~ret20 && #t~ret20 <= 2147483647; {1448#true} is VALID [2020-07-18 04:39:41,753 INFO L280 TraceCheckUtils]: 63: Hoare triple {1448#true} #t~short23 := 0 != #t~ret20; {1448#true} is VALID [2020-07-18 04:39:41,754 INFO L280 TraceCheckUtils]: 64: Hoare triple {1448#true} assume !#t~short23; {1501#(not |main_#t~short23|)} is VALID [2020-07-18 04:39:41,754 INFO L280 TraceCheckUtils]: 65: Hoare triple {1501#(not |main_#t~short23|)} assume #t~short23; {1449#false} is VALID [2020-07-18 04:39:41,754 INFO L280 TraceCheckUtils]: 66: Hoare triple {1449#false} havoc #t~mem19; {1449#false} is VALID [2020-07-18 04:39:41,755 INFO L280 TraceCheckUtils]: 67: Hoare triple {1449#false} havoc #t~ret20; {1449#false} is VALID [2020-07-18 04:39:41,755 INFO L280 TraceCheckUtils]: 68: Hoare triple {1449#false} havoc #t~short23; {1449#false} is VALID [2020-07-18 04:39:41,755 INFO L280 TraceCheckUtils]: 69: Hoare triple {1449#false} havoc #t~short22; {1449#false} is VALID [2020-07-18 04:39:41,756 INFO L280 TraceCheckUtils]: 70: Hoare triple {1449#false} havoc #t~ret21; {1449#false} is VALID [2020-07-18 04:39:41,756 INFO L280 TraceCheckUtils]: 71: Hoare triple {1449#false} assume !false; {1449#false} is VALID [2020-07-18 04:39:41,762 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 04:39:41,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [880039629] [2020-07-18 04:39:41,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 04:39:41,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-18 04:39:41,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105527438] [2020-07-18 04:39:41,765 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2020-07-18 04:39:41,765 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 04:39:41,765 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2020-07-18 04:39:41,836 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:39:41,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-18 04:39:41,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 04:39:41,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-18 04:39:41,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-18 04:39:41,838 INFO L87 Difference]: Start difference. First operand 153 states and 157 transitions. Second operand 5 states. [2020-07-18 04:39:42,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:39:42,678 INFO L93 Difference]: Finished difference Result 161 states and 164 transitions. [2020-07-18 04:39:42,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-18 04:39:42,679 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2020-07-18 04:39:42,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 04:39:42,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 04:39:42,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 164 transitions. [2020-07-18 04:39:42,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-18 04:39:42,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 164 transitions. [2020-07-18 04:39:42,691 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 164 transitions. [2020-07-18 04:39:42,846 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 164 edges. 164 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:39:42,853 INFO L225 Difference]: With dead ends: 161 [2020-07-18 04:39:42,853 INFO L226 Difference]: Without dead ends: 153 [2020-07-18 04:39:42,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-18 04:39:42,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-18 04:39:42,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2020-07-18 04:39:42,965 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 04:39:42,965 INFO L82 GeneralOperation]: Start isEquivalent. First operand 153 states. Second operand 153 states. [2020-07-18 04:39:42,965 INFO L74 IsIncluded]: Start isIncluded. First operand 153 states. Second operand 153 states. [2020-07-18 04:39:42,965 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 153 states. [2020-07-18 04:39:42,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:39:42,976 INFO L93 Difference]: Finished difference Result 153 states and 156 transitions. [2020-07-18 04:39:42,976 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 156 transitions. [2020-07-18 04:39:42,977 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:39:42,977 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:39:42,977 INFO L74 IsIncluded]: Start isIncluded. First operand 153 states. Second operand 153 states. [2020-07-18 04:39:42,977 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 153 states. [2020-07-18 04:39:42,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 04:39:42,985 INFO L93 Difference]: Finished difference Result 153 states and 156 transitions. [2020-07-18 04:39:42,986 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 156 transitions. [2020-07-18 04:39:42,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 04:39:42,987 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 04:39:42,987 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 04:39:42,987 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 04:39:42,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-18 04:39:42,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 156 transitions. [2020-07-18 04:39:42,994 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 156 transitions. Word has length 72 [2020-07-18 04:39:42,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 04:39:42,996 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 156 transitions. [2020-07-18 04:39:42,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-18 04:39:42,996 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 153 states and 156 transitions. [2020-07-18 04:39:43,173 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 156 edges. 156 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 04:39:43,173 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 156 transitions. [2020-07-18 04:39:43,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-18 04:39:43,176 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:39:43,176 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:39:43,177 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 04:39:43,177 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:39:43,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:39:43,177 INFO L82 PathProgramCache]: Analyzing trace with hash 934667084, now seen corresponding path program 1 times [2020-07-18 04:39:43,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:39:43,178 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [120448774] [2020-07-18 04:39:43,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:39:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 04:39:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 04:39:43,401 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-18 04:39:43,402 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.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 04:39:43,408 INFO L168 Benchmark]: Toolchain (without parser) took 5513.27 ms. Allocated memory was 143.1 MB in the beginning and 283.6 MB in the end (delta: 140.5 MB). Free memory was 101.8 MB in the beginning and 215.6 MB in the end (delta: -113.7 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2020-07-18 04:39:43,409 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 143.1 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-18 04:39:43,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 424.37 ms. Allocated memory was 143.1 MB in the beginning and 203.4 MB in the end (delta: 60.3 MB). Free memory was 101.4 MB in the beginning and 180.9 MB in the end (delta: -79.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2020-07-18 04:39:43,411 INFO L168 Benchmark]: Boogie Preprocessor took 73.07 ms. Allocated memory is still 203.4 MB. Free memory was 180.9 MB in the beginning and 178.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-07-18 04:39:43,412 INFO L168 Benchmark]: RCFGBuilder took 799.29 ms. Allocated memory is still 203.4 MB. Free memory was 178.2 MB in the beginning and 113.9 MB in the end (delta: 64.3 MB). Peak memory consumption was 64.3 MB. Max. memory is 7.1 GB. [2020-07-18 04:39:43,412 INFO L168 Benchmark]: TraceAbstraction took 4208.56 ms. Allocated memory was 203.4 MB in the beginning and 283.6 MB in the end (delta: 80.2 MB). Free memory was 113.3 MB in the beginning and 215.6 MB in the end (delta: -102.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-18 04:39:43,416 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 0.81 ms. Allocated memory is still 143.1 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 424.37 ms. Allocated memory was 143.1 MB in the beginning and 203.4 MB in the end (delta: 60.3 MB). Free memory was 101.4 MB in the beginning and 180.9 MB in the end (delta: -79.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.07 ms. Allocated memory is still 203.4 MB. Free memory was 180.9 MB in the beginning and 178.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 799.29 ms. Allocated memory is still 203.4 MB. Free memory was 178.2 MB in the beginning and 113.9 MB in the end (delta: 64.3 MB). Peak memory consumption was 64.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4208.56 ms. Allocated memory was 203.4 MB in the beginning and 283.6 MB in the end (delta: 80.2 MB). Free memory was 113.3 MB in the beginning and 215.6 MB in the end (delta: -102.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.model.Model.map(Model.java:227) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...